CM-89 Refactor travis config to run filtered tests from yarn rather t…

…han package.json (#115)

* CM-89 refactor travis config for test filtering to execute from yarn

* Testing refactored command.  Do not merge

* Switched to npm test

* CM-89 Refactored travis config to run test filtering via yarn rather than command in package.json

.travis.yml

@@ -48,6 +48,5 @@ script:
       cd ..
       yarn test-install
       echo ">>RUNNING INTEGRATION TESTS<<"
-      sed -i 's/"test": "mocha/"test": "mocha --grep \\"faucet|blzcli|blzd|tendermint-validator-set\\"/g' package.json
-      yarn test
+      yarn test -g 'all specifications cli|all specifications blzd'
     fi