--- /dev/null
+++ b/tests/src/enableContractSponsoring.test.ts
@@ -0,0 +1,54 @@
+import { IKeyringPair } from '@polkadot/types/types';
+import chai from 'chai';
+import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
+import usingApi from './substrate/substrate-api';
+import { deployFlipper, getFlipValue, toggleFlipValueExpectSuccess } from './util/contracthelpers';
+import {
+  enableContractSponsoringExpectFailure,
+  enableContractSponsoringExpectSuccess,
+  findUnusedAddress,
+  setContractSponsoringRateLimitExpectSuccess,
+} from './util/helpers';
+
+chai.use(chaiAsPromised);
+const expect = chai.expect;
+
+describe('Integration Test enableContractSponsoring', () => {
+  it('ensure tx fee is paid from endowment', async () => {
+    await usingApi(async (api) => {
+      const user = await findUnusedAddress(api);
+
+      const [flipper, deployer] = await deployFlipper(api);
+      await enableContractSponsoringExpectSuccess(deployer, flipper.address, true);
+      await setContractSponsoringRateLimitExpectSuccess(deployer, flipper.address, 1);
+      await toggleFlipValueExpectSuccess(user, flipper);
+
+      expect(await getFlipValue(flipper, deployer)).to.be.false;
+    });
+  });
+});
+
+describe('Negative Integration Test enableContractSponsoring', () => {
+  let alice: IKeyringPair;
+
+  before(async () => {
+    alice = privateKey('//Alice');
+  });
+
+  it('fails when called for non-contract address', async () => {
+    await usingApi(async (api) => {
+      const user = await findUnusedAddress(api);
+
+      await enableContractSponsoringExpectFailure(alice, user.address, true);
+    });
+  });
+
+  it('fails when called by non-owning user', async () => {
+    await usingApi(async (api) => {
+      const [flipper, _] = await deployFlipper(api);
+
+      await enableContractSponsoringExpectFailure(alice, flipper.address, true);
+    });
+  });
+});