TST: Improve compatibility with pypy error messages (pandas-dev#28844)

pandas/tests/arithmetic/test_datetime64.py

@@ -887,7 +887,7 @@ def test_dt64arr_add_sub_td64ndarray(self, tz_naive_fixture, box_with_array):
 
  result = dtarr - tdarr
  tm.assert_equal(result, expected)
- msg = "cannot subtract|bad operand type for unary -"
+ msg = "cannot subtract|(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  tdarr - dtarr
 
@@ -1126,7 +1126,7 @@ def test_dt64arr_series_sub_tick_DateOffset(self, box_with_array):
 
  result2 = -pd.offsets.Second(5) + ser
  tm.assert_equal(result2, expected)
- msg = "bad operand type for unary"
+ msg = "(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  pd.offsets.Second(5) - ser
 
@@ -1220,7 +1220,7 @@ def test_dt64arr_add_sub_relativedelta_offsets(self, box_with_array):
  expected = DatetimeIndex([x - off for x in vec_items])
  expected = tm.box_expected(expected, box_with_array)
  tm.assert_equal(expected, vec - off)
- msg = "bad operand type for unary"
+ msg = "(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  off - vec
 
@@ -1336,7 +1336,7 @@ def test_dt64arr_add_sub_DateOffsets(
  expected = DatetimeIndex([offset + x for x in vec_items])
  expected = tm.box_expected(expected, box_with_array)
  tm.assert_equal(expected, offset + vec)
- msg = "bad operand type for unary"
+ msg = "(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  offset - vec
 
@@ -1920,7 +1920,7 @@ def test_operators_datetimelike_with_timezones(self):
  result = dt1 - td1[0]
  exp = (dt1.dt.tz_localize(None) - td1[0]).dt.tz_localize(tz)
  tm.assert_series_equal(result, exp)
- msg = "bad operand type for unary"
+ msg = "(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  td1[0] - dt1
 

pandas/tests/arithmetic/test_timedelta64.py

@@ -245,7 +245,7 @@ def test_subtraction_ops(self):
  with pytest.raises(TypeError, match=msg):
  td - dt
 
- msg = "bad operand type for unary -: 'DatetimeArray'"
+ msg = "(bad|unsupported) operand type for unary"
  with pytest.raises(TypeError, match=msg):
  td - dti