Use IPv4 loopback for cluster tests

Author: uglide

tasks.py

@@ -69,8 +69,8 @@ def standalone_tests(c, uvloop=False, protocol=2, profile=False, redis_mod_url=N
 def cluster_tests(c, uvloop=False, protocol=2, profile=False):
     """Run tests against a redis cluster"""
     profile_arg = "--profile" if profile else ""
-    cluster_url = "redis://localhost:16379/0"
-    cluster_tls_url = "rediss://localhost:27379/0"
+    cluster_url = "redis://127.0.0.1:16379/0"
+    cluster_tls_url = "rediss://127.0.0.1:27379/0"
     if uvloop:
         run(
             f"pytest {profile_arg} --protocol={protocol} --cov=./ --cov-report=xml:coverage_cluster_resp{protocol}_uvloop.xml -m 'not onlynoncluster and not redismod and not graph' --redis-url={cluster_url} --redis-ssl-url={cluster_tls_url} --junit-xml=cluster-resp{protocol}-uvloop-results.xml --uvloop"