@Test
public void testMap_Given_Null_Username_And_Null_Patient_Id() {

	// Arrange
	PatientProfileDto patientDto = mock(PatientProfileDto.class);
	when(patientDto.getUsername()).thenReturn(null);
	when(patientDto.getId()).thenReturn(null);
	final String firstName = "Firstname";
	when(patientDto.getFirstName()).thenReturn(firstName);
	// Act
	Patient patient = sut.map(patientDto);
	// Assert
	assertEquals(firstName, patient.getFirstName());
}