ref(tests): make mock-s3 pseudo-handle POST queries

Author: romansergey

tests/fixtures/mock-store/build.sh

@@ -19,9 +19,9 @@ curl -sSL -o /usr/local/bin/etcdctl https://s3-us-west-2.amazonaws.com/opdemand/
   && chmod +x /usr/local/bin/etcdctl
 
 
-git clone https://github.com/jserver/mock-s3 /app/mock-s3
-
+git clone https://github.com/jserver/mock-s3 /app/mock-s3 --depth 1
 cd /app/mock-s3
+curl https://gist.githubusercontent.com/anonymous/c565f11a8d90d6e2d92b/raw/c5815f6c83aa5c2cfb7b0a34cfab4a075c97be16/mock-s3-post.diff|git apply
 
 # install pip
 curl -sSL https://raw.githubusercontent.com/pypa/pip/6.0.8/contrib/get-pip.py | python -