@Test
public void testGetSubjectMatterExpertMissingSubjectMatterExpertKey()
{

    // Specify the expected exception.
    expectedException.expect(IllegalArgumentException.class);
    expectedException.expectMessage("A subject matter expert key must be specified.");
    // Try to call the method under test.
    subjectMatterExpertServiceImpl.getSubjectMatterExpert(null);
    // Verify the external calls.
    verifyNoMoreInteractionsHelper();
}