Fixes to prepare for enabling CircleCI (#3)

* Re-run npm install

* Add command to clean out the mocha types

.circleci/config.yml

@@ -34,6 +34,13 @@ jobs:
 
       - run: npm install
 
+      # Remove the mocha type references in @opencensus/core. This has been
+      # fixed in the upstream package on GitHub, but has not been released on
+      # NPM yet. We can't install the package directly from GitHub because NPM
+      # only supports that for packages in the root folder of the repo.
+      # See https://github.com/census-instrumentation/opencensus-node/pull/254
+      - run: find . -type f | grep '@opencensus/core' | xargs sed -i '/types="mocha"/d'
+
       - save_cache:
           paths:
             - node_modules