update actions

.github/workflows/frontend.yml

+name: Frontend Tests (Karma + Mocha + Chai)
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.x]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: npm install and test
+      run: |
+        npm i
+        npm test
\ No newline at end of file

.github/workflows/test.yml

-name: Test_Action
-
-on: [push]
-
-jobs:
-  build:
-    runs-on: self-hosted
-    steps:
-    - uses: actions/checkout@v1
-    - name: works
-      run: echo hello world