Test with Node 10 on CI (jestjs#6097)

* test on node 10

* Update config.yml

Author: SimenB

.circleci/config.yml

@@ -44,6 +44,17 @@ jobs:
       - save-cache: *save-cache
       - run: yarn run test-ci-es5-build-in-browser
 
+  test-node-10:
+    working_directory: ~/jest
+    docker:
+      - image: circleci/node:10
+    steps:
+      - checkout
+      - restore-cache: *restore-cache
+      - run: yarn --no-progress
+      - save-cache: *save-cache
+      - run: yarn run test-ci-partial
+
   test-node-9:
     working_directory: ~/jest
     docker:
@@ -95,6 +106,7 @@ workflows:
     jobs:
       - test-node-8
       - test-node-6
+      - test-node-10
       - test-node-9
       - test-browser
       - test-and-deploy-website