try github actions (#985)

Author: jtattermusch

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: build_and_test
+      run: |
+        build_and_test.sh