diff --git a/pandas/tests/indexes/interval/test_construction.py b/pandas/tests/indexes/interval/test_construction.py
index 484a05800561d..7a54ad5c180a4 100644
--- a/pandas/tests/indexes/interval/test_construction.py
+++ b/pandas/tests/indexes/interval/test_construction.py
@@ -331,8 +331,7 @@ def test_constructor_errors(self, constructor):
             constructor(5)
 
         # not an interval
-        msg = ("type <(class|type) 'numpy.int64'> with value 0 "
-               "is not an interval")
+        msg = "type <class 'numpy.int64'> with value 0 is not an interval"
         with pytest.raises(TypeError, match=msg):
             constructor([0, 1])
 
diff --git a/pandas/tests/io/test_packers.py b/pandas/tests/io/test_packers.py
index a0a5780bac207..a00efe949e2bb 100644
--- a/pandas/tests/io/test_packers.py
+++ b/pandas/tests/io/test_packers.py
@@ -153,8 +153,7 @@ class A:
             def __init__(self):
                 self.read = 0
 
-        msg = (r"Invalid file path or buffer object type: <(class|type)"
-               r" '{}'>")
+        msg = "Invalid file path or buffer object type: <class '{}'>"
         with pytest.raises(ValueError, match=msg.format('NoneType')):
             read_msgpack(path_or_buf=None)
         with pytest.raises(ValueError, match=msg.format('dict')):
diff --git a/pandas/tests/reshape/merge/test_merge.py b/pandas/tests/reshape/merge/test_merge.py
index 5662377b98452..7d9d9402f1a45 100644
--- a/pandas/tests/reshape/merge/test_merge.py
+++ b/pandas/tests/reshape/merge/test_merge.py
@@ -182,13 +182,11 @@ def test_merge_misspecified(self):
                   right_on=['key1', 'key2'])
 
     def test_index_and_on_parameters_confusion(self):
-        msg = ("right_index parameter must be of type bool, not"
-               r" <(class|type) 'list'>")
+        msg = "right_index parameter must be of type bool, not <class 'list'>"
         with pytest.raises(ValueError, match=msg):
             merge(self.df, self.df2, how='left',
                   left_index=False, right_index=['key1', 'key2'])
-        msg = ("left_index parameter must be of type bool, not "
-               r"<(class|type) 'list'>")
+        msg = "left_index parameter must be of type bool, not <class 'list'>"
         with pytest.raises(ValueError, match=msg):
             merge(self.df, self.df2, how='left',
                   left_index=['key1', 'key2'], right_index=False)
diff --git a/pandas/tests/series/indexing/test_numeric.py b/pandas/tests/series/indexing/test_numeric.py
index 5bbd7e055975f..480d185f18b8d 100644
--- a/pandas/tests/series/indexing/test_numeric.py
+++ b/pandas/tests/series/indexing/test_numeric.py
@@ -204,7 +204,7 @@ def test_setitem_float_labels():
 def test_slice_float_get_set(test_data):
     msg = (r"cannot do slice indexing on <class 'pandas\.core\.indexes"
            r"\.datetimes\.DatetimeIndex'> with these indexers \[{key}\]"
-           r" of <(class|type) 'float'>")
+           r" of <class 'float'>")
     with pytest.raises(TypeError, match=msg.format(key=r"4\.0")):
         test_data.ts[4.0:10.0]
 
diff --git a/pandas/tests/series/test_analytics.py b/pandas/tests/series/test_analytics.py
index ef6dca8d2729d..e5eb7d19dc649 100644
--- a/pandas/tests/series/test_analytics.py
+++ b/pandas/tests/series/test_analytics.py
@@ -91,7 +91,7 @@ def test_argsort_stable(self):
                                check_dtype=False)
         tm.assert_series_equal(qindexer, Series(qexpected),
                                check_dtype=False)
-        msg = (r"ndarray Expected type <(class|type) 'numpy\.ndarray'>,"
+        msg = (r"ndarray Expected type <class 'numpy\.ndarray'>,"
                r" found <class 'pandas\.core\.series\.Series'> instead")
         with pytest.raises(AssertionError, match=msg):
             tm.assert_numpy_array_equal(qindexer, mindexer)
diff --git a/pandas/tests/tslibs/test_timedeltas.py b/pandas/tests/tslibs/test_timedeltas.py
index b53ea76a6ce4d..65ae9d6ed90ec 100644
--- a/pandas/tests/tslibs/test_timedeltas.py
+++ b/pandas/tests/tslibs/test_timedeltas.py
@@ -24,5 +24,5 @@ def test_delta_to_nanoseconds(obj, expected):
 def test_delta_to_nanoseconds_error():
     obj = np.array([123456789], dtype="m8[ns]")
 
-    with pytest.raises(TypeError, match="<(class|type) 'numpy.ndarray'>"):
+    with pytest.raises(TypeError, match="<class 'numpy.ndarray'>"):
         delta_to_nanoseconds(obj)