def test_no_dupe_overrides(self, Manifest):
    manifest = Manifest()
    assert (len(manifest.Override) == 4)
    manifest.Override.append('a')
    manifest.Override.append('a')
    assert (len(manifest.Override) == 5)
def test_no_dupe_overrides(self, Manifest):
    manifest = Manifest()
    assert (len(manifest.Override) == 4)
    manifest.Override.append('a')
    manifest.Override.append('a')
    assert (len(manifest.Override) == 5)