message: Fix the graphql-tools revision used in reprinting tests.
  This should help with the test flakiness encountered:
diff: @@ -16,10 +16,9 @@ fi
  if [ ! -d graphql-tools-src ]
  then
  - git clone --depth 1 https://github.com/apollographql/graphql-tools.git
  + git clone https://github.com/apollographql/graphql-tools.git
  pushd graphql-tools
  - git fetch origin refs/pull/807/merge:pull/807/merge
  - git checkout pull/807/merge
  + git reset --hard d3073987a4e00ed1bf59f709232e0a614f1b7edb
  popd
  mv graphql-tools/src \
  graphql-tools-src
  