@Test
public void testMap_Given_Null_Username_And_Null_Admin_Id() {

	// Arrange
	AdminProfileDto adminProfileDto = mock(AdminProfileDto.class);
	when(adminProfileDto.getUsername()).thenReturn(null);
	when(adminProfileDto.getId()).thenReturn(null);
	final String firstName = "Firstname";
	when(adminProfileDto.getFirstName()).thenReturn(firstName);
	// Act
	Staff administrator = sut.map(adminProfileDto);
	// Assert
	assertEquals(firstName, administrator.getFirstName());
}