Coverage adjustments for CI leveraging jest workers

.circleci/config.yml

@@ -91,7 +91,15 @@ jobs:
             # needed because npm ci actually removes node_modules before
             # installing to guarantee a clean slate.
             - ~/.npm
-      - run: npm run test-ci
+      - run:
+          name: Jest suite with coverage
+          command: npm run test-ci && npm run coverage:upload
+          environment:
+            JEST_JUNIT_OUTPUT: "../../reports/junit/js-test-results.xml"
+      - store_test_results:
+          path: reports/junit
+      - store_artifacts:
+          path: reports/junit
 
 workflows:
   version: 2

.gitignore

@@ -52,3 +52,5 @@ docs.json
 docs/public/*
 !docs/public/_redirects
 .idea/
+
+junit.xml

package.json

@@ -7,14 +7,14 @@
     "diff": "check-if-folder-contents-changed-in-git-commit-range",
     "build": "lerna run build",
     "test": "jest --verbose",
-    "test-ci": "npm run test -- --ci --maxWorkers=2",
+    "test-ci": "npm run coverage -- --ci --maxWorkers=2 --reporters=jest-junit",
     "benchmark": "cd packages/apollo-client && npm run benchmark",
     "prelint": "npm run lint-fix",
     "lint": "lerna run lint",
     "lint-fix": "prettier --ignore-path \"./config/prettierignore\" --trailing-comma all --single-quote --write \"packages/*/{src,tests,test,benchmark}/**/*.{j,t}s*\"",
     "lint-staged": "lint-staged",
     "filesize": "lerna run filesize && bundlesize",
-    "coverage": "lerna run coverage",
+    "coverage": "jest --verbose --coverage",
     "coverage:upload": "codecov",
     "danger": "danger run --verbose --dangerfile=./config/dangerfile.ts",
     "deploy": "lerna publish -m \"chore: Publish\" --independent && cd packages/apollo-client && npm run deploy",