--- a/tests/src/setConstOnChainSchema.test.ts
+++ b/tests/src/setConstOnChainSchema.test.ts
@@ -26,7 +26,7 @@
 
   });
 });
-describe('Integration Test ext. setConstOnChainSchema()', () => {
+describe.only('Integration Test ext. setConstOnChainSchema()', () => {
 
   it('Run extrinsic with parameters of the collection id, set the scheme', async () => {
       await usingApi(async (api) => {
@@ -36,7 +36,7 @@
       const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
       await submitTransactionAsync(Alice, setShema);
     });
-});
+  });
 
   it('Checking collection data using the ConstOnChainSchema parameter', async () => {
       await usingApi(async (api) => {
@@ -50,7 +50,7 @@
   });
 });
 
-describe('Negative Integration Test ext. setConstOnChainSchema()', () => {
+describe.only('Negative Integration Test ext. setConstOnChainSchema()', () => {
 
   it('Set a non-existent collection', async () => {
     await usingApi(async (api) => {
@@ -58,8 +58,8 @@
       const collectionId = parseInt((await api.query.nft.createdCollectionCount()).toString()) + 1;
       const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
       await expect(submitTransactionExpectFailAsync(Alice, setShema)).to.be.rejected;
+    });
   });
-});
 
   it('Set a previously deleted collection', async () => {
     await usingApi(async (api) => {
@@ -67,16 +67,16 @@
       await destroyCollectionExpectSuccess(collectionId);
       const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
       await expect(submitTransactionExpectFailAsync(Alice, setShema)).to.be.rejected;
+    });
   });
-});
 
   it('Set invalid data in schema (size too large:> 1024b)', async () => {
     await usingApi(async (api) => {
       const collectionId = await createCollectionExpectSuccess();
       const setShema = api.tx.nft.setConstOnChainSchema(collectionId, largeShema);
       await expect(submitTransactionExpectFailAsync(Alice, setShema)).to.be.rejected;
+    });
   });
-});
 
   it('Execute method not on behalf of the collection owner', async () => {
     await usingApi(async (api) => {
@@ -85,7 +85,7 @@
       expect(collection.Owner.toString()).to.be.eq(Alice.address);
       const setShema = api.tx.nft.setConstOnChainSchema(collectionId, Shema);
       await expect(submitTransactionExpectFailAsync(Bob, setShema)).to.be.rejected;
+    });
   });
-});
 
 });