Fix typo

tests/test_cursor.py

@@ -78,7 +78,7 @@ def test_iterator(self, cursor):
 
     @with_cursor
     def test_cache_size(self, cursor):
-        # To test cacheing, we need to make sure the query is unique, otherwise
+        # To test caching, we need to make sure the query is unique, otherwise
         # we might accidentally pick up the cache results from another CI run.
         query = 'SELECT * FROM one_row -- {0}'.format(str(datetime.utcnow()))
 
@@ -89,14 +89,14 @@ def test_cache_size(self, cursor):
         cursor.execute(query)
         cursor.fetchall()
         second_query_id = cursor.query_id
-        # Make sure default behavior is no cacheing, i.e. same query has
+        # Make sure default behavior is no caching, i.e. same query has
         # run twice results in different query IDs
         self.assertNotEqual(first_query_id, second_query_id)
 
         cursor.execute(query, cache_size=100)
         cursor.fetchall()
         third_query_id = cursor.query_id
-        # When using cacheing, the same query ID should be returned.
+        # When using caching, the same query ID should be returned.
         self.assertIn(third_query_id, [first_query_id, second_query_id])
 
     @with_cursor