enable redis debug again

improv/nexus.py

@@ -776,7 +776,7 @@ def _start_store_interface(self, size, attempts=20):
             )
             # try with failure, incrementing port number
             self.p_StoreInterface = self.start_redis(size)
-            time.sleep(1)
+            time.sleep(2)
             if self.p_StoreInterface.poll():  # Redis could not start
                 logger.info("Could not connect to port {}".format(self.store_port))
                 self.store_port = str(int(self.store_port) + 1)

test/conftest.py

@@ -95,10 +95,12 @@ def setup_store(server_port_num):
             "--maxmemory",
             str(10000000),
         ],
-        stdout=subprocess.DEVNULL,
-        stderr=subprocess.DEVNULL,
     )
 
+    time.sleep(3)
+    if p.poll() is not None:
+        raise Exception("redis-server failed to start")
+
     yield p
 
     # kill the subprocess when the caller is done with it

test/test_store_with_errors.py

@@ -22,7 +22,6 @@ def test_connect(setup_store, server_port_num):
 
 def test_redis_connect(setup_store, server_port_num):
     store = RedisStoreInterface(server_port_num=server_port_num)
-    assert isinstance(store.client, redis.Redis)
     assert store.client.ping()