NLSSubstitution.setPrefix("test.");
	public void testGetKeyWithPrefix() {	    NLSSubstitution.setPrefix("test.");	    NLSSubstitution substitution = new NLSSubstitution(NLSSubstitution.INTERNALIZED, "value", null);	    substitution.setState(NLSSubstitution.EXTERNALIZED);	    substitution.setKey("key");	    assertEquals("test.key", substitution.getKey());	}