Use the pre-installed Chrome driver when running on GitHub

The GitHub virtual environment already provides a Chrome and a matching Chrome driver.

For installed software see:
https://github.com/actions/virtual-environments/blob/ubuntu20/20220207.1/images/linux/Ubuntu2004-Readme.md#environment-variables-1

For available environment variables see:
https://docs.github.com/en/actions/learn-github-actions/environment-variables

.github/workflows/gradle.yml

@@ -17,9 +17,6 @@ jobs:
       GRADLE_OPTS: -Xmx1500m -Dfile.encoding=UTF-8
     steps:
       - uses: actions/checkout@v2
-      - uses: nanasess/setup-chromedriver@v1.0.5
-        with:
-          chromedriver-version: '96.0.4664.45'
       - name: Set up JDK
         uses: actions/setup-java@v2
         with:
@@ -30,15 +27,15 @@ jobs:
         id: tests
         uses: gradle/gradle-build-action@v2
         with:
-          arguments: check -Dgeb.env=chromeHeadless
+          arguments: check -Dgeb.env=chromeHeadless -Dwebdriver.chrome.driver='${{ env.CHROMEWEBDRIVER }}'
       - name: Run Build
         if: github.event_name == 'push'
         id: build
         uses: gradle/gradle-build-action@v2
         env:
           GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
         with:
-          arguments: build -Dgeb.env=chromeHeadless
+          arguments: build -Dgeb.env=chromeHeadless -Dwebdriver.chrome.driver='${{ env.CHROMEWEBDRIVER }}'
       - name: Publish Test Report
         if: steps.build.outcome == 'failure' || steps.tests.outcome == 'failure'
         uses: scacap/action-surefire-report@v1

build.gradle

@@ -78,8 +78,10 @@ dependencies {
 apply from: rootProject.file('gradle/testVerbose.gradle')
 
 webdriverBinaries {
-    chromedriver "$chromeDriverVersion"
-    geckodriver "$geckodriverVersion"
+    if (!System.getenv().containsKey('GITHUB_ACTIONS')) {
+        chromedriver "$chromeDriverVersion"
+        geckodriver "$geckodriverVersion"
+    }
 }
 
 tasks.withType(Test) {