Added MacOS

Author: Vitaliy Boyko

.github/workflows/gradle.yml

@@ -10,7 +10,7 @@ on:
     branches: [ master, 1.0.0-develop ]
 
 jobs:
-  build:
+  build-linux:
 
     runs-on: ubuntu-latest
 
@@ -42,4 +42,21 @@ jobs:
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew
       - name: Run automated tests
-        run: ./gradlew test -i
+        run: ./gradlew test -i
+
+  build-macos:
+
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Gradle wrapper
+        run: gradle wrapper
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Run automated tests
+        run: ./gradlew test -i