test(typing): Correctly ignore on invalid test

Indicates the new signature is working

Author: dangotbanned

tests/frame/invalid_test.py

@@ -83,7 +83,7 @@ def test_validate_laziness() -> None:
         TypeError,
         match=("The items to concatenate should either all be eager, or all lazy"),
     ):
-        nw.concat([nw.from_native(df, eager_only=True), nw.from_native(df).lazy()])
+        nw.concat([nw.from_native(df, eager_only=True), nw.from_native(df).lazy()])  # type: ignore[type-var]
 
 
 @pytest.mark.slow