@Override
    public void addFileCommentLine(String commentLine) {
        fileCommentLines.add(commentLine);
    }
@Test
    void testAddFileCommentLine() {
        Interface interfaze = new Interface("com.foo.UserInterface");
        interfaze.addFileCommentLine("test");

        assertNotNull(interfaze.getFileCommentLines());
        assertEquals(1, interfaze.getFileCommentLines().size());
        assertEquals("test", interfaze.getFileCommentLines().get(0));
    }