git.delta.rocks / unique-network / refs/commits / 3f7f6aa6cd8e

difftreelog

tests: displace chai-expect header copypasta

Fahrrader2022-09-09parent: #e1baaf9.patch.diff
in: master

15 files changed

modifiedtests/src/addCollectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/addCollectionAdmin.test.ts
+++ b/tests/src/addCollectionAdmin.test.ts
@@ -15,12 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test addCollectionAdmin(collection_id, new_admin_id):', () => {
   let donor: IKeyringPair;
modifiedtests/src/fungible.test.tsdiffbeforeafterboth
--- a/tests/src/fungible.test.ts
+++ b/tests/src/fungible.test.ts
@@ -16,13 +16,9 @@
 
 import {IKeyringPair} from '@polkadot/types/types';
 import {U128_MAX} from './util/helpers';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
-chai.use(chaiAsPromised);
-const expect = chai.expect;
-
+// todo:playgrounds get rid of globals
 let alice: IKeyringPair;
 let bob: IKeyringPair;
modifiedtests/src/pallet-presence.test.tsdiffbeforeafterboth
--- a/tests/src/pallet-presence.test.ts
+++ b/tests/src/pallet-presence.test.ts
@@ -14,8 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import {expect} from 'chai';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 // Pallets that must always be present
 const requiredPallets = [
modifiedtests/src/refungible.test.tsdiffbeforeafterboth
--- a/tests/src/refungible.test.ts
+++ b/tests/src/refungible.test.ts
@@ -15,12 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds} from './util/playgrounds';
-
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, Pallets, requirePalletsOrSkip, usingPlaygrounds, expect} from './util/playgrounds';
 
 let alice: IKeyringPair;
 let bob: IKeyringPair;
modifiedtests/src/removeCollectionAdmin.test.tsdiffbeforeafterboth
--- a/tests/src/removeCollectionAdmin.test.ts
+++ b/tests/src/removeCollectionAdmin.test.ts
@@ -14,13 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {IKeyringPair} from '@polkadot/types/types';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test removeCollectionAdmin(collection_id, account_id):', () => {
   let alice: IKeyringPair;
modifiedtests/src/removeCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/removeCollectionSponsor.test.ts
+++ b/tests/src/removeCollectionSponsor.test.ts
@@ -14,13 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {IKeyringPair} from '@polkadot/types/types';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('integration test: ext. removeCollectionSponsor():', () => {
   let donor: IKeyringPair;
modifiedtests/src/removeFromAllowList.test.tsdiffbeforeafterboth
--- a/tests/src/removeFromAllowList.test.ts
+++ b/tests/src/removeFromAllowList.test.ts
@@ -14,13 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {IKeyringPair} from '@polkadot/types/types';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test removeFromAllowList', () => {
   let alice: IKeyringPair;
modifiedtests/src/rpc.test.tsdiffbeforeafterboth
--- a/tests/src/rpc.test.ts
+++ b/tests/src/rpc.test.ts
@@ -1,11 +1,22 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import {usingPlaygrounds, itSub} from './util/playgrounds';
+import {usingPlaygrounds, itSub, expect} from './util/playgrounds';
 import {crossAccountIdFromLower} from './util/playgrounds/unique';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
 
 describe('integration test: RPC methods', () => {
   let donor: IKeyringPair;
modifiedtests/src/setCollectionLimits.test.tsdiffbeforeafterboth
before · tests/src/setCollectionLimits.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617// https://unique-network.readthedocs.io/en/latest/jsapi.html#setchainlimits18import {IKeyringPair} from '@polkadot/types/types';19import chai from 'chai';20import chaiAsPromised from 'chai-as-promised';21import {itSub, usingPlaygrounds} from './util/playgrounds';2223chai.use(chaiAsPromised);24const expect = chai.expect;2526const accountTokenOwnershipLimit = 0;27const sponsoredDataSize = 0;28const sponsorTransferTimeout = 1;29const tokenLimit = 10;3031describe('setCollectionLimits positive', () => {32  let alice: IKeyringPair;33  let bob: IKeyringPair;3435  before(async () => {36    await usingPlaygrounds(async (helper, privateKey) => {37      const donor = privateKey('//Alice');38      [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);39    });40  });4142  itSub('execute setCollectionLimits with predefined params', async ({helper}) => {43    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-1', tokenPrefix: 'SCL'});4445    await collection.setLimits(46      alice,47      {48        accountTokenOwnershipLimit,49        sponsoredDataSize,50        tokenLimit,51        sponsorTransferTimeout,52        ownerCanTransfer: true,53        ownerCanDestroy: true,54      },55    );5657    // get collection limits defined previously58    const collectionInfo = await collection.getEffectiveLimits();5960    expect(collectionInfo.accountTokenOwnershipLimit).to.be.equal(accountTokenOwnershipLimit);61    expect(collectionInfo.sponsoredDataSize).to.be.equal(sponsoredDataSize);62    expect(collectionInfo.tokenLimit).to.be.equal(tokenLimit);63    expect(collectionInfo.sponsorTransferTimeout).to.be.equal(sponsorTransferTimeout);64    expect(collectionInfo.ownerCanTransfer).to.be.true;65    expect(collectionInfo.ownerCanDestroy).to.be.true;66  });6768  itSub('Set the same token limit twice', async ({helper}) => {69    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-2', tokenPrefix: 'SCL'});7071    const collectionLimits = {72      accountTokenOwnershipLimit,73      sponsoredDataSize,74      tokenLimit,75      sponsorTransferTimeout,76      ownerCanTransfer: true,77      ownerCanDestroy: true,78    };7980    await collection.setLimits(alice, collectionLimits);8182    const collectionInfo1 = await collection.getEffectiveLimits();83      84    expect(collectionInfo1.tokenLimit).to.be.equal(tokenLimit);8586    await collection.setLimits(alice, collectionLimits);87    const collectionInfo2 = await collection.getEffectiveLimits();88    expect(collectionInfo2.tokenLimit).to.be.equal(tokenLimit);89  });9091  itSub('execute setCollectionLimits from admin collection', async ({helper}) => {92    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-3', tokenPrefix: 'SCL'});93    await collection.addAdmin(alice, {Substrate: bob.address});9495    const collectionLimits = {96      accountTokenOwnershipLimit,97      sponsoredDataSize,98      // sponsoredMintSize,99      tokenLimit,100    };101102    await expect(collection.setLimits(alice, collectionLimits)).to.not.be.rejected;103  });104});105106describe('setCollectionLimits negative', () => {107  let alice: IKeyringPair;108  let bob: IKeyringPair;109110  before(async () => {111    await usingPlaygrounds(async (helper, privateKey) => {112      const donor = privateKey('//Alice');113      [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);114    });115  });116  117  itSub('execute setCollectionLimits for not exists collection', async ({helper}) => {118    const nonExistentCollectionId = (1 << 32) - 1;119    await expect(helper.collection.setLimits(120      alice,121      nonExistentCollectionId,122      {123        accountTokenOwnershipLimit,124        sponsoredDataSize,125        // sponsoredMintSize,126        tokenLimit,127      },128    )).to.be.rejectedWith(/common\.CollectionNotFound/);129  });130131  itSub('execute setCollectionLimits from user who is not owner of this collection', async ({helper}) => {132    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-1', tokenPrefix: 'SCL'});133134    await expect(collection.setLimits(bob, {135      accountTokenOwnershipLimit,136      sponsoredDataSize,137      // sponsoredMintSize,138      tokenLimit,139    })).to.be.rejectedWith(/common\.NoPermission/);140  });141142  itSub('fails when trying to enable OwnerCanTransfer after it was disabled', async ({helper}) => {143    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-2', tokenPrefix: 'SCL'});144145    await collection.setLimits(alice, {146      accountTokenOwnershipLimit,147      sponsoredDataSize,148      tokenLimit,149      sponsorTransferTimeout,150      ownerCanTransfer: false,151      ownerCanDestroy: true,152    });153154    await expect(collection.setLimits(alice, {155      accountTokenOwnershipLimit,156      sponsoredDataSize,157      tokenLimit,158      sponsorTransferTimeout,159      ownerCanTransfer: true,160      ownerCanDestroy: true,161    })).to.be.rejectedWith(/common\.OwnerPermissionsCantBeReverted/);162  });163164  itSub('fails when trying to enable OwnerCanDestroy after it was disabled', async ({helper}) => {165    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-3', tokenPrefix: 'SCL'});166167    await collection.setLimits(alice, {168      accountTokenOwnershipLimit,169      sponsoredDataSize,170      tokenLimit,171      sponsorTransferTimeout,172      ownerCanTransfer: true,173      ownerCanDestroy: false,174    });175176    await expect(collection.setLimits(alice, {177      accountTokenOwnershipLimit,178      sponsoredDataSize,179      tokenLimit,180      sponsorTransferTimeout,181      ownerCanTransfer: true,182      ownerCanDestroy: true,183    })).to.be.rejectedWith(/common\.OwnerPermissionsCantBeReverted/);184  });185186  itSub('Setting the higher token limit fails', async ({helper}) => {187    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-4', tokenPrefix: 'SCL'});188      189    const collectionLimits = {190      accountTokenOwnershipLimit: accountTokenOwnershipLimit,191      sponsoredMintSize: sponsoredDataSize,192      tokenLimit: tokenLimit,193      sponsorTransferTimeout,194      ownerCanTransfer: true,195      ownerCanDestroy: true,196    };197198    // The first time199    await collection.setLimits(alice, collectionLimits);200201    // The second time - higher token limit202    collectionLimits.tokenLimit += 1;203    await expect(collection.setLimits(alice, collectionLimits)).to.be.rejectedWith(/common\.CollectionTokenLimitExceeded/);204  });205});
after · tests/src/setCollectionLimits.test.ts
1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617// https://unique-network.readthedocs.io/en/latest/jsapi.html#setchainlimits18import {IKeyringPair} from '@polkadot/types/types';19import {itSub, usingPlaygrounds, expect} from './util/playgrounds';2021const accountTokenOwnershipLimit = 0;22const sponsoredDataSize = 0;23const sponsorTransferTimeout = 1;24const tokenLimit = 10;2526describe('setCollectionLimits positive', () => {27  let alice: IKeyringPair;28  let bob: IKeyringPair;2930  before(async () => {31    await usingPlaygrounds(async (helper, privateKey) => {32      const donor = privateKey('//Alice');33      [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);34    });35  });3637  itSub('execute setCollectionLimits with predefined params', async ({helper}) => {38    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-1', tokenPrefix: 'SCL'});3940    await collection.setLimits(41      alice,42      {43        accountTokenOwnershipLimit,44        sponsoredDataSize,45        tokenLimit,46        sponsorTransferTimeout,47        ownerCanTransfer: true,48        ownerCanDestroy: true,49      },50    );5152    // get collection limits defined previously53    const collectionInfo = await collection.getEffectiveLimits();5455    expect(collectionInfo.accountTokenOwnershipLimit).to.be.equal(accountTokenOwnershipLimit);56    expect(collectionInfo.sponsoredDataSize).to.be.equal(sponsoredDataSize);57    expect(collectionInfo.tokenLimit).to.be.equal(tokenLimit);58    expect(collectionInfo.sponsorTransferTimeout).to.be.equal(sponsorTransferTimeout);59    expect(collectionInfo.ownerCanTransfer).to.be.true;60    expect(collectionInfo.ownerCanDestroy).to.be.true;61  });6263  itSub('Set the same token limit twice', async ({helper}) => {64    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-2', tokenPrefix: 'SCL'});6566    const collectionLimits = {67      accountTokenOwnershipLimit,68      sponsoredDataSize,69      tokenLimit,70      sponsorTransferTimeout,71      ownerCanTransfer: true,72      ownerCanDestroy: true,73    };7475    await collection.setLimits(alice, collectionLimits);7677    const collectionInfo1 = await collection.getEffectiveLimits();78      79    expect(collectionInfo1.tokenLimit).to.be.equal(tokenLimit);8081    await collection.setLimits(alice, collectionLimits);82    const collectionInfo2 = await collection.getEffectiveLimits();83    expect(collectionInfo2.tokenLimit).to.be.equal(tokenLimit);84  });8586  itSub('execute setCollectionLimits from admin collection', async ({helper}) => {87    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-3', tokenPrefix: 'SCL'});88    await collection.addAdmin(alice, {Substrate: bob.address});8990    const collectionLimits = {91      accountTokenOwnershipLimit,92      sponsoredDataSize,93      // sponsoredMintSize,94      tokenLimit,95    };9697    await expect(collection.setLimits(alice, collectionLimits)).to.not.be.rejected;98  });99});100101describe('setCollectionLimits negative', () => {102  let alice: IKeyringPair;103  let bob: IKeyringPair;104105  before(async () => {106    await usingPlaygrounds(async (helper, privateKey) => {107      const donor = privateKey('//Alice');108      [alice, bob] = await helper.arrange.createAccounts([20n, 10n], donor);109    });110  });111  112  itSub('execute setCollectionLimits for not exists collection', async ({helper}) => {113    const nonExistentCollectionId = (1 << 32) - 1;114    await expect(helper.collection.setLimits(115      alice,116      nonExistentCollectionId,117      {118        accountTokenOwnershipLimit,119        sponsoredDataSize,120        // sponsoredMintSize,121        tokenLimit,122      },123    )).to.be.rejectedWith(/common\.CollectionNotFound/);124  });125126  itSub('execute setCollectionLimits from user who is not owner of this collection', async ({helper}) => {127    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-1', tokenPrefix: 'SCL'});128129    await expect(collection.setLimits(bob, {130      accountTokenOwnershipLimit,131      sponsoredDataSize,132      // sponsoredMintSize,133      tokenLimit,134    })).to.be.rejectedWith(/common\.NoPermission/);135  });136137  itSub('fails when trying to enable OwnerCanTransfer after it was disabled', async ({helper}) => {138    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-2', tokenPrefix: 'SCL'});139140    await collection.setLimits(alice, {141      accountTokenOwnershipLimit,142      sponsoredDataSize,143      tokenLimit,144      sponsorTransferTimeout,145      ownerCanTransfer: false,146      ownerCanDestroy: true,147    });148149    await expect(collection.setLimits(alice, {150      accountTokenOwnershipLimit,151      sponsoredDataSize,152      tokenLimit,153      sponsorTransferTimeout,154      ownerCanTransfer: true,155      ownerCanDestroy: true,156    })).to.be.rejectedWith(/common\.OwnerPermissionsCantBeReverted/);157  });158159  itSub('fails when trying to enable OwnerCanDestroy after it was disabled', async ({helper}) => {160    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-3', tokenPrefix: 'SCL'});161162    await collection.setLimits(alice, {163      accountTokenOwnershipLimit,164      sponsoredDataSize,165      tokenLimit,166      sponsorTransferTimeout,167      ownerCanTransfer: true,168      ownerCanDestroy: false,169    });170171    await expect(collection.setLimits(alice, {172      accountTokenOwnershipLimit,173      sponsoredDataSize,174      tokenLimit,175      sponsorTransferTimeout,176      ownerCanTransfer: true,177      ownerCanDestroy: true,178    })).to.be.rejectedWith(/common\.OwnerPermissionsCantBeReverted/);179  });180181  itSub('Setting the higher token limit fails', async ({helper}) => {182    const collection = await helper.nft.mintCollection(alice, {name: 'SetCollectionLimits-Neg-4', tokenPrefix: 'SCL'});183      184    const collectionLimits = {185      accountTokenOwnershipLimit: accountTokenOwnershipLimit,186      sponsoredMintSize: sponsoredDataSize,187      tokenLimit: tokenLimit,188      sponsorTransferTimeout,189      ownerCanTransfer: true,190      ownerCanDestroy: true,191    };192193    // The first time194    await collection.setLimits(alice, collectionLimits);195196    // The second time - higher token limit197    collectionLimits.tokenLimit += 1;198    await expect(collection.setLimits(alice, collectionLimits)).to.be.rejectedWith(/common\.CollectionTokenLimitExceeded/);199  });200});
modifiedtests/src/setCollectionSponsor.test.tsdiffbeforeafterboth
--- a/tests/src/setCollectionSponsor.test.ts
+++ b/tests/src/setCollectionSponsor.test.ts
@@ -14,13 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {IKeyringPair} from '@polkadot/types/types';
-import {itSub, usingPlaygrounds, Pallets} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect, Pallets} from './util/playgrounds';
 
 describe('integration test: ext. setCollectionSponsor():', () => {
   let alice: IKeyringPair;
modifiedtests/src/setMintPermission.test.tsdiffbeforeafterboth
--- a/tests/src/setMintPermission.test.ts
+++ b/tests/src/setMintPermission.test.ts
@@ -15,12 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test setMintPermission', () => {
   let alice: IKeyringPair;
modifiedtests/src/setPublicAccessMode.test.tsdiffbeforeafterboth
--- a/tests/src/setPublicAccessMode.test.ts
+++ b/tests/src/setPublicAccessMode.test.ts
@@ -16,12 +16,7 @@
 
 // https://unique-network.readthedocs.io/en/latest/jsapi.html#setschemaversion
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import {itSub, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test setPublicAccessMode(): ', () => {
   let alice: IKeyringPair;
modifiedtests/src/transfer.test.tsdiffbeforeafterboth
--- a/tests/src/transfer.test.ts
+++ b/tests/src/transfer.test.ts
@@ -15,13 +15,8 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
 import {itEth, usingEthPlaygrounds} from './eth/util/playgrounds';
-import {itSub, Pallets, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, Pallets, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test Transfer(recipient, collection_id, item_id, value)', () => {
   let alice: IKeyringPair;
modifiedtests/src/transferFrom.test.tsdiffbeforeafterboth
--- a/tests/src/transferFrom.test.ts
+++ b/tests/src/transferFrom.test.ts
@@ -15,12 +15,7 @@
 // along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
 
 import {IKeyringPair} from '@polkadot/types/types';
-import chai from 'chai';
-import chaiAsPromised from 'chai-as-promised';
-import {itSub, Pallets, usingPlaygrounds} from './util/playgrounds';
-
-chai.use(chaiAsPromised);
-const expect = chai.expect;
+import {itSub, Pallets, usingPlaygrounds, expect} from './util/playgrounds';
 
 describe('Integration Test transferFrom(from, recipient, collection_id, item_id, value):', () => {
   let alice: IKeyringPair;
modifiedtests/src/util/playgrounds/index.tsdiffbeforeafterboth
--- a/tests/src/util/playgrounds/index.ts
+++ b/tests/src/util/playgrounds/index.ts
@@ -2,12 +2,17 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import {IKeyringPair} from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
 import {Context} from 'mocha';
 import config from '../../config';
 import '../../interfaces/augment-api-events';
 import {DevUniqueHelper, SilentLogger, SilentConsole} from './unique.dev';
 
 
+chai.use(chaiAsPromised);
+export const expect = chai.expect;
+
 export const usingPlaygrounds = async (code: (helper: DevUniqueHelper, privateKey: (seed: string) => IKeyringPair) => Promise<void>) => {
   const silentConsole = new SilentConsole();
   silentConsole.enable();