TestEnvironment with external service - failing tests throws IllegalStateException errors #2674

Failed tests
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java.lang.IllegalStateException: getDiagnostics is not supported with the external service
	at com.google.common.base.Preconditions.checkState(Preconditions.java:512)

class SampleTest {

  @RegisterExtension
  public static final TestWorkflowExtension workflowExtension =
      TestWorkflowExtension.newBuilder().setDoNotStart(true).useExternalService().build();

  @Test
  void sampleTest(TestWorkflowEnvironment environment) {
    Assert.assertEquals(1, 2);
  }
}