migrates class from one time compliance file to another

Author: chalmerlowe

tests/compliance/time/test_time_compliance.py

@@ -33,6 +33,10 @@
 # TODO(https://github.com/googleapis/python-db-dtypes-pandas/issues/78): Add
 # compliance tests for reduction operations.
 
+# NDArrayBacked2DTests suite added in https://github.com/pandas-dev/pandas/pull/44974
+class Test2DCompat(base.NDArrayBacked2DTests):
+    pass
+
 
 class TestComparisonOps(base.BaseComparisonOpsTests):
     pass