@Test
public void getLogger_same_name_return_same_instance() throws Exception {

    when(underlyingLoggerFactory.getLogger("hello")).thenReturn(mock(Logger.class));
    LambdaLogger helloLambdaLogger = abstractlambdaLoggerFactory.getLogger("hello");
    LambdaLogger helloLambdaLoggerAgain = abstractlambdaLoggerFactory.getLogger("hello");
    assertThat(helloLambdaLogger, sameInstance(helloLambdaLoggerAgain));
}