[test/test_utils] Fix typo in method name

test/test_utils.py

@@ -280,7 +280,7 @@ class TestUtil(unittest.TestCase):
         d = json.loads(stripped)
         self.assertEqual(d, [{"id": "532cb", "x": 3}])
 
-    def test_uppercase_escpae(self):
+    def test_uppercase_escape(self):
         self.assertEqual(uppercase_escape(u'aä'), u'aä')
         self.assertEqual(uppercase_escape(u'\\U0001d550'), u'𝕐')