Fix coverage in tests.

.circleci/config.yml

@@ -24,6 +24,6 @@ jobs:
       - run: mkdir -p /tmp/artifacts/logs
       - run: DOCKER_HOST=localhost npm test
       - run: npm run build
-      - run: npm test
+      - run: ./node_modules/.bin/istanbul report --include /tmp/artifacts/coverage/coverage.json --dir /tmp/artifacts/coverage html lcov
       - store_artifacts:
           path: /tmp/artifacts

test/functional/util/coverage.js

@@ -7,7 +7,6 @@ var COVERAGE_PATH = artifacts.pathSync("/coverage");
 
 var coverage = istanbulCov.createCoverageMap({});
 
-describe("coverage", function() {
 // Capture the coverage after each test
 afterEach(function() {
   // Code coverage
@@ -23,4 +22,3 @@ describe("coverage", function() {
   var jsonStr = JSON.stringify(coverage, null, 2);
   fs.writeFileSync(COVERAGE_PATH+"/coverage.json", jsonStr);
 })
-})