test: update git ls-files assertions (#1647)

Signed-off-by: Xabier Napal <xabiernapal@pm.me>

test/TestUtils.py

@@ -354,7 +354,11 @@ def test_cli_auto_detect(capfd: CaptureFixture[str]) -> None:
     out, err = capfd.readouterr()
 
     # Confirmation that it runs in auto-detect mode
-    assert "Discovered files to lint using: git ls-files -z" in err
+    assert (
+        "Discovered files to lint using: git ls-files --cached --others --exclude-standard -z"
+        in err
+    )
+    assert "Excluded removed files using: git ls-files --deleted -z" in err
     # An expected rule match from our examples
     assert (
         "examples/playbooks/empty_playbook.yml:1: "