Update test_period_range.py

Author: jnecus

pandas/tests/indexes/period/test_period_range.py

@@ -51,14 +51,10 @@ def test_construction_from_period(self):
         result = period_range(start=start, end=end, freq="Q", name="foo")
         tm.assert_index_equal(result, expected)
 
-        # test for issue #21793
+        # test for issue # 21793
         idx = period_range(start=start, end=end, freq="Q", name="foo")
-        result = idx.values
-        expected = np.array([Period('2017Q1', 'Q-DEC'),
-                             Period('2017Q2', 'Q-DEC'),
-                             Period('2017Q3', 'Q-DEC'),
-                             Period('2017Q4', 'Q-DEC'),
-                             Period('2018Q1', 'Q-DEC')])
+        result = idx == idx.values
+        expected = np.array([True, True, True, True, True])
         tm.assert_numpy_array_equal(result, expected)
 
         # empty