Fixed build error caused by TryGetAzureRoleInstanceIdNoThrow test

StackExchange.Redis.Tests/Config.cs

@@ -138,14 +138,7 @@ public void DefaultClientName()
 #endif
             }
         }
-
-        [Test]
-        public void TryGetAzureRoleInstanceIdNoThrow()
-        {
-            ConfigurationOptions config = new ConfigurationOptions();
-            Assert.IsNull(config.TryGetAzureRoleInstanceIdNoThrow());
-        }
-
+        
         [Test]
         public void ReadConfigWithConfigDisabled()
         {

StackExchange.Redis.Tests/ConnectionFailedErrors.cs

@@ -116,6 +116,12 @@ public void CheckFailureRecovered()
                 SocketManager.ConnectCompletionType = CompletionType.Any;
                 ClearAmbientFailures();
             }
+        }
+
+        [Test]
+        public void TryGetAzureRoleInstanceIdNoThrow()
+        {
+            Assert.IsNull(ConnectionMultiplexer.TryGetAzureRoleInstanceIdNoThrow());
         }
     }
 }