@Test
public void testGetPromptForFocus() {

  ReflectionTestUtils.setField(ambariContext, "cluster", "single-node");
  ReflectionTestUtils.setField(ambariContext, "focus", new Focus("target", FocusType.HOST));
  String result = ambariContext.getPrompt();
  assertEquals(String.format("%s:%s>", FocusType.HOST.prefix(), "target"), result);
}