ConfigBuilder { public <T> T override(String property, T defaultIfNotFound) { return crestConfig.get(property, defaultIfNotFound); } ConfigBuilder(CRestConfig crestConfig); CRestConfig getCRestConfig(); T override(String property, T defaultIfNotFound);  }
@Test public void overrideShouldDelegetToCRestConfig(){ toTest.override("a", "b"); verify(mockCRestConfig).get("a", "b"); }