Attempt moving jest tests to github action

.circleci/config.yml

@@ -147,7 +147,7 @@ jobs:
           command: cd client && yarn run build
           environment:
               NODE_OPTIONS: --max_old_space_size=4096
-      - run: cd client && yarn run test
+      - run: cd client && yarn run qunit
   js_lint:
     docker:
       - image: circleci/node:12-browsers

.github/workflows/client.yaml

@@ -0,0 +1,18 @@
+name: Client Unit Tests (Jest)
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [12.x]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: yarn install
+      working-directory: client
+    - run: yarn jest
+      working-directory: client