Rearranging the GtiHub Actions file

Author: Heshdude

.github/workflows/dockerimage.yml

@@ -1,35 +1,19 @@
 name: Run tests
 
 on:
+
   push:
     branches: [ master ]
+
   pull_request:
     branches: [ master ]
 
-jobs:
-
-  test-alpine:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Run Tests on Alpine Linux
-      run: docker run alpine pwd
-
-  test-ubuntu:
-
-    runs-on: ubuntu-latest
 
-    steps:
-    - uses: actions/checkout@v2
-    - name: Run Tests on Ubuntu Linux
-      run: docker run ubuntu pwd
+jobs:
 
-  test-git:
+  test-on-ubuntu:
 
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v2
     - uses: technote-space/get-diff-action@v1