@Test public void testV() {

	// Arrange:
	final Logger mockLogger = mock(Logger.class);
	FragmentsLogging.setLogger(mockLogger);
	// Act:
	FragmentsLogging.v(LOG_TAG, "message.verbose");
	FragmentsLogging.v(LOG_TAG, "message.verbose", null);
	// Assert:
	verify(mockLogger).v(LOG_TAG, "message.verbose");
	verify(mockLogger).v(LOG_TAG, "message.verbose", null);
	verifyNoMoreInteractions(mockLogger);
}