Reduce flaky tests by looking for author id

ee/spec/services/resource_access_tokens/create_service_spec.rb

@@ -101,7 +101,7 @@ RSpec.describe ResourceAccessTokens::CreateService do
           it 'logs the permission error message' do
             subject
 
-            expect(AuditEvent.last.details[:custom_message]).to eq('Attempted to create project access token but failed with message: User does not have permission to create project access token')
+            expect(AuditEvent.where(author_id: user.id).last.details[:custom_message]).to eq('Attempted to create project access token but failed with message: User does not have permission to create project access token')
           end
         end
 
@@ -123,7 +123,7 @@ RSpec.describe ResourceAccessTokens::CreateService do
           it 'logs the provisioning error message' do
             subject
 
-            expect(AuditEvent.last.details[:custom_message]).to eq('Attempted to create project access token but failed with message: Could not provision maintainer access to project access token')
+            expect(AuditEvent.where(author_id: user.id).last.details[:custom_message]).to eq('Attempted to create project access token but failed with message: Could not provision maintainer access to project access token')
           end
         end
       end

ee/spec/services/resource_access_tokens/revoke_service_spec.rb

@@ -56,7 +56,7 @@ RSpec.describe ResourceAccessTokens::RevokeService do
         it 'logs the find error message' do
           subject
 
-          expect(AuditEvent.last.details[:custom_message]).to match(/Attempted to revoke project access token with id: \d+, but failed with message: Failed to find bot user/)
+          expect(AuditEvent.where(author_id: user.id).last.details[:custom_message]).to match(/Attempted to revoke project access token with id: \d+, but failed with message: Failed to find bot user/)
         end
       end
 
@@ -71,7 +71,7 @@ RSpec.describe ResourceAccessTokens::RevokeService do
         it 'logs the permission error message' do
           subject
 
-          expect(AuditEvent.last.details[:custom_message]).to match(/Attempted to revoke project access token with id: \d+, but failed with message: #{user.name} cannot delete #{access_token.user.name}/)
+          expect(AuditEvent.where(author_id: user.id).last.details[:custom_message]).to match(/Attempted to revoke project access token with id: \d+, but failed with message: #{user.name} cannot delete #{access_token.user.name}/)
         end
       end
     end