@Test
public void shouldFailIfServiceAccountDoesNotExist() throws IOException {

  when(serviceAccountKeyManager.serviceAccountExists(SERVICE_ACCOUNT)).thenReturn(false);
  exception.expect(InvalidExecutionException.class);
  exception.expectMessage("Referenced service account " + SERVICE_ACCOUNT + " was not found");
  sut.ensureServiceAccountKeySecret(WORKFLOW_INSTANCE.workflowId().toString(), SERVICE_ACCOUNT);
}