Skip consistency test when using Synchrony.

Author: djanowski

test/connection_handling_test.rb

@@ -187,22 +187,24 @@ def test_config_set
     end
   end
 
-  def test_consistency_on_multithreaded_env
-    t = nil
+  driver(:ruby, :hiredis) do
+    def test_consistency_on_multithreaded_env
+      t = nil
+
+      commands = {
+        :set => lambda { |key, value| t.kill; "+OK\r\n" },
+        :incr => lambda { |key| ":1\r\n" },
+      }
+
+      redis_mock(commands) do |redis|
+        t = Thread.new do
+          redis.set("foo", "bar")
+        end
 
-    commands = {
-      :set => lambda { |key, value| t.kill; "+OK\r\n" },
-      :incr => lambda { |key| ":1\r\n" },
-    }
+        t.join
 
-    redis_mock(commands) do |redis|
-      t = Thread.new do
-        redis.set("foo", "bar")
+        assert_equal 1, redis.incr("baz")
       end
-
-      t.join
-
-      assert_equal 1, redis.incr("baz")
     end
   end
 end