Add functional "run-test" action

.github/workflows/run-test.yml

@@ -0,0 +1,39 @@
+name: run-test
+
+on:
+  pull_request:
+    paths-ignore:
+      - '**.md'
+  push:
+    branches:
+      - master
+      - releases/*
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Setup Android SDK
+        id: 'setup-android'
+        uses: ./
+      - name: Run sdkmanager
+        if: runner.os != 'windows'
+        run: |
+          sdkmanager --sdk_root=${ANDROID_HOME} "build-tools;30.0.1"
+      - name: Run sdkmanager
+        if: runner.os == 'windows'
+        run: |
+          sdkmanager.bat --sdk_root=${ANDROID_HOME} "build-tools;30.0.1"