Update GitHub Actions

Author: dennis-tra

.github/workflows/pull-request.yml

@@ -1,12 +1,9 @@
 on:
-  push:
-    branches:
-      - main
   pull_request:
     branches:
       - main
 
-name: Create Release
+name: Pull Request
 jobs:
   test:
     strategy:

.github/workflows/tests.yml

@@ -0,0 +1,32 @@
+on:
+  push:
+    branches:
+      - main
+
+name: Tests
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.15.x, 1.16.x]
+        os: [ubuntu-latest, macos-latest] # windows-latest
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Installing  Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checking out code
+        uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/go/pkg/mod
+            ~/.cache/go-build
+            ~/Library/Caches/go-build
+            %LocalAppData%\go-build
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Running tests
+        run: go test -v -short ./...

README.md

@@ -3,7 +3,7 @@
 [![standard-readme compliant](https://img.shields.io/badge/readme%20style-standard-brightgreen.svg)](https://github.com/RichardLitt/standard-readme)
 [![Go Report Card](https://goreportcard.com/badge/github.com/dennis-tra/pcp)](https://goreportcard.com/report/github.com/dennis-tra/pcp)
 [![Maintainability](https://api.codeclimate.com/v1/badges/de64b09a3731b8a8842b/maintainability)](https://codeclimate.com/github/dennis-tra/pcp/maintainability)
-[![Latest CI run result](https://github.com/dennis-tra/pcp/actions/workflows/pull-request.yml/badge.svg)](https://github.com/dennis-tra/pcp/actions)
+[![Latest test suite run result](https://github.com/dennis-tra/pcp/actions/workflows/tests.yml/badge.svg)](https://github.com/dennis-tra/pcp/actions)
 [![Github Releases Download Count](https://img.shields.io/github/downloads/dennis-tra/pcp/total.svg)]()
 
 [comment]: <> ([![Test Coverage]&#40;https://api.codeclimate.com/v1/badges/de64b09a3731b8a8842b/test_coverage&#41;]&#40;https://codeclimate.com/github/dennis-tra/pcp/test_coverage&#41;)