Rails 6.1 spec fixes- update error messages assertion when an invalid…

… put operation (#4142)

* update error messages assertion when an invalid put operation

* update spec per hound sniffs " to '

spec/controllers/api/v1/users_controller_spec.rb

@@ -561,17 +561,19 @@ def update_request
       it_behaves_like "an api response"
     end
 
-    context "with a an invalid put operation" do
+    context 'with an invalid put operation' do
       before(:each) { update_request }
       let(:put_operations) { {} }
 
       it "should return an error status" do
         expect(response.status).to eq(422)
       end
 
-      it "should return a specific error message in the response body" do
-        error_message = json_error_message("param is missing or the value is empty: users")
-        expect(response.body).to eq(error_message)
+      it 'returns a specific error message in the response body' do
+        error_message = 'param is missing or the value is empty: users'
+        errors = JSON.parse(response.body)['errors']
+        expect(errors).not_to be_empty
+        expect(errors[0]['message']).to include(error_message)
       end
 
       it "should not updated the resource attribute" do