Update core/src/test/java/io/temporal/samples/hello/HelloSignalWithStartAndWorkflowInitTest.java

Co-authored-by: Antonio Mendoza Pérez <antonio.perez@temporal.io>

Author: tsurdilo

core/src/test/java/io/temporal/samples/hello/HelloSignalWithStartAndWorkflowInitTest.java

@@ -69,7 +69,7 @@ public void testWithoutInit(TestWorkflowEnvironment testEnv, Worker worker) {
       fail("Workflow execution should have failed");
     } catch (Exception e) {
       if (!(e instanceof WorkflowFailedException)) {
-        fail("Workflow execution should have failed");
+        fail("Workflow execution should have failed with WorkflowFailedException");
       }
     }
   }