Minor test fix

Author: pbreach

pandas/tests/test_generic.py

@@ -997,13 +997,11 @@ def test_describe_percentiles_insert_median(self):
         self.assertTrue('100%' in d2.index)
 
     def test_describe_percentiles_insert_median_ndarray(self):
+        # GH14908
         df = tm.makeDataFrame()
-        try:
-            d1 = df.describe(percentiles=np.array([.25, .75]))
-        except AttributeError:
-            self.fail
-        d2 = df.describe(percentiles=[.25, .75])
-        assert_frame_equal(d1, d2)
+        result = df.describe(percentiles=np.array([.25, .75]))
+        expected = df.describe(percentiles=[.25, .75])
+        assert_frame_equal(result, expected)
 
     def test_describe_percentiles_unique(self):
         # GH13104