Remove nonsensical test

tests/test_context.py

@@ -51,14 +51,6 @@ def test_exclude_templating_with_operation(
     assert copy_only.read_text() == "foo"
     assert copy_and_update.read_text() == "bar"
 
-    # After using the worker for an `update` operation, reuse it for a `copy` again.
-    # This checks that the cached `match_exclude` property is regenerated
-    # after a context switch back from update to copy.
-    copier.run_copy(str(src), dst2, defaults=True, overwrite=True, vcs_ref="1.0.0")
-    for filename in ("copy-only", "copy-and-update"):
-        assert (dst2 / filename).exists()
-        assert (dst2 / filename).read_text() == "foo"
-
 
 def test_task_templating_with_operation(
     tmp_path_factory: pytest.TempPathFactory, tmp_path: Path