Add contract-artifacts to circleci

packages/contract-artifacts/package.json

@@ -13,6 +13,7 @@
         "build": "yarn tsc -b",
         "build:ci": "yarn build",
         "test": "yarn run_mocha",
+        "test:circleci": "yarn test",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "clean": "shx rm -rf lib"
     },

packages/contract-artifacts/test/contract_artifacts_test.ts

@@ -30,6 +30,6 @@ describe('Contract Artifacts', () => {
                 }
             }
         }
-        expect(forbiddenPropertiesByArtifact).to.be.eq({});
+        expect(forbiddenPropertiesByArtifact).to.eql({});
     });
 });