Adjust comment and fix one test

Author: OlegZv

instrumentation/opentelemetry-instrumentation-redis/src/opentelemetry/instrumentation/redis/__init__.py

@@ -624,8 +624,8 @@ def uninstrument_connection(client):
         if getattr(client, INSTRUMENTATION_ATTR):
             # for all clients we need to unwrap execute_command and pipeline functions
             unwrap(client, "execute_command")
-            # pipeline was creating a pipeline and wrapping the functions of the
-            # created instance. any pipeline created before un-instrumenting will
+            # the method was creating a pipeline and wrapping the functions of the
+            # created instance. any pipelines created before un-instrumenting will
             # remain instrumented (pipelines should usually have a short span)
             unwrap(client, "pipeline")
             pass

instrumentation/opentelemetry-instrumentation-redis/tests/test_redis.py

@@ -37,7 +37,7 @@
 class TestRedis(TestBase):
     def setUp(self):
         super().setUp()
-        RedisInstrumentor().instrument(_provider=self.tracer_provider)
+        RedisInstrumentor().instrument(tracer_provider=self.tracer_provider)
 
     def tearDown(self):
         super().tearDown()