--- a/tests/src/removeCollectionAdmin.test.ts
+++ b/tests/src/removeCollectionAdmin.test.ts
@@ -16,6 +16,7 @@
 
 import chai from 'chai';
 import chaiAsPromised from 'chai-as-promised';
+import privateKey from './substrate/privateKey';
 import {default as usingApi, submitTransactionAsync, submitTransactionExpectFailAsync} from './substrate/substrate-api';
 import {createCollectionExpectSuccess, destroyCollectionExpectSuccess, getAdminList, normalizeAccountId, queryCollectionExpectSuccess} from './util/helpers';
 
@@ -46,33 +47,6 @@
     });
   });
 
-  it('Remove collection admin by admin.', async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
-      const collectionId = await createCollectionExpectSuccess();
-      const alice = privateKeyWrapper('//Alice');
-      const bob = privateKeyWrapper('//Bob');
-      const charlie = privateKeyWrapper('//Charlie');
-      const collection = await queryCollectionExpectSuccess(api, collectionId);
-      expect(collection.owner.toString()).to.be.eq(alice.address);
-      // first - add collection admin Bob
-      const addAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(bob.address));
-      await submitTransactionAsync(alice, addAdminTx);
-
-      const addAdminTx2 = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(charlie.address));
-      await submitTransactionAsync(alice, addAdminTx2);
-
-      const adminListAfterAddAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
-
-      // then remove bob from admins of collection
-      const removeAdminTx = api.tx.unique.removeCollectionAdmin(collectionId, normalizeAccountId(bob.address));
-      await submitTransactionAsync(charlie, removeAdminTx);
-
-      const adminListAfterRemoveAdmin = await getAdminList(api, collectionId);
-      expect(adminListAfterRemoveAdmin).not.to.be.deep.contains(normalizeAccountId(bob.address));
-    });
-  });
-
   it('Remove admin from collection that has no admins', async () => {
     await usingApi(async (api, privateKeyWrapper) => {
       const alice = privateKeyWrapper('//Alice');
@@ -120,12 +94,12 @@
     });
   });
 
-  it('Regular user Can\'t remove collection admin', async () => {
-    await usingApi(async (api, privateKeyWrapper) => {
+  it('Regular user can\'t remove collection admin', async () => {
+    await usingApi(async (api) => {
       const collectionId = await createCollectionExpectSuccess();
-      const alice = privateKeyWrapper('//Alice');
-      const bob = privateKeyWrapper('//Bob');
-      const charlie = privateKeyWrapper('//Charlie');
+      const alice = privateKey('//Alice');
+      const bob = privateKey('//Bob');
+      const charlie = privateKey('//Charlie');
 
       const addAdminTx = api.tx.unique.addCollectionAdmin(collectionId, normalizeAccountId(bob.address));
       await submitTransactionAsync(alice, addAdminTx);
@@ -137,4 +111,23 @@
       await createCollectionExpectSuccess();
     });
   });
+
+  it('Admin can\'t remove collection admin.', async () => {
+    await usingApi(async (api) => {
+      const collectionId = await createCollectionExpectSuccess();
+      const alice = privateKey('//Alice');
+      const bob = privateKey('//Bob');
+      const charlie = privateKey('//Charlie');
+
+      const adminListAfterAddAdmin = await getAdminList(api, collectionId);
+      expect(adminListAfterAddAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+
+      const removeAdminTx = api.tx.unique.removeCollectionAdmin(collectionId, normalizeAccountId(bob.address));
+      await expect(submitTransactionAsync(charlie, removeAdminTx)).to.be.rejected;
+
+      const adminListAfterRemoveAdmin = await getAdminList(api, collectionId);
+      expect(adminListAfterRemoveAdmin).to.be.deep.contains(normalizeAccountId(bob.address));
+      expect(adminListAfterRemoveAdmin).to.be.deep.contains(normalizeAccountId(charlie.address));
+    });
+  });
 });