Merge branch 'clean-redis-at-spec-startup' into 'master'

Clean Redis data at spec startup

See merge request !102842



Merged-by: Dylan Griffith <dyl.griffith@gmail.com>
Approved-by: Suraj Tripathi <stripathi@gitlab.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Co-authored-by: Heinrich Lee Yu <heinrich@gitlab.com>

spec/support/redis.rb

@@ -19,4 +19,10 @@
       public_send("redis_#{underscored_name}_cleanup!")
     end
   end
+
+  config.before(:suite) do
+    Gitlab::Redis::ALL_CLASSES.each do |instance_class|
+      instance_class.with(&:flushdb)
+    end
+  end
 end