gh-2823 FederatedStore unsupported operations are forwarded to subgra…

…phs. Tests

store-implementation/federated-store/src/test/java/uk/gov/gchq/gaffer/federatedstore/operation/handler/impl/FederatedUnhandledOperationTest.java

@@ -61,8 +61,9 @@ void afterEach() {
 
     @Test
     public void shouldFailWithUnsupportedOperation() throws Exception {
-        //make custom store with no GetAllElements
         final String testExceptionMessage = "TestExceptionMessage";
+
+        //make custom store with no GetAllElements
         FederatedStore federatedStoreWithNoGetAllElements = new FederatedStore() {
             @Override
             protected void addAdditionalOperationHandlers() {