Add GitHub Actions CI

.github/workflows/unit-tests.yml

@@ -0,0 +1,19 @@
+name: "Run unit tests"
+
+on: ["push"]
+
+jobs:
+  install:
+    uses: greenpeace-cee/civi-ci/.github/workflows/unit-tests.yml@main
+  run-tests:
+    needs: install
+    steps:
+      - id: "run-tests"
+
+        name: "Run unit tests"
+        env:
+          EXT_DIR: "/home/runner/buildkit/build/civi/web/sites/default/files/civicrm/ext"
+        run: |
+          PATH="/home/runner/buildkit/bin:$PATH"
+          cd "$EXT_DIR/mailutils"
+          CIVICRM_UF="UnitTests" phpunit9

phpunit.xml.dist

@@ -1,15 +1,15 @@
 <?xml version="1.0"?>
-<phpunit backupGlobals="false" backupStaticAttributes="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" bootstrap="tests/phpunit/bootstrap.php">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="false" backupStaticAttributes="false" colors="true" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" stopOnFailure="false" bootstrap="tests/phpunit/bootstrap.php" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage>
+    <include>
+      <directory suffix=".php">./</directory>
+    </include>
+  </coverage>
   <testsuites>
     <testsuite name="My Test Suite">
       <directory>./tests/phpunit</directory>
     </testsuite>
   </testsuites>
-  <filter>
-    <whitelist>
-      <directory suffix=".php">./</directory>
-    </whitelist>
-  </filter>
   <listeners>
     <listener class="Civi\Test\CiviTestListener">
       <arguments/>