change frequency variant from D to DE in freqstr

Author: natmokval

pandas/tests/arrays/test_datetimelike.py

@@ -32,7 +32,7 @@
 
 
 # TODO: more freq variants
-@pytest.fixture(params=["D", "B", "W", "M", "Q", "Y"])
+@pytest.fixture(params=["D", "B", "W", "ME", "Q", "Y"])
 def freqstr(request):
     """Fixture returning parametrized frequency in string format."""
     return request.param