Add Integration Tests + fixes for JENKINS-56312 and JENKINS-57320

Jenkinsfile

@@ -50,6 +50,73 @@ for (int i = 0; i < platforms.size(); ++i) {
         }
     }
 }
-
-/* Execute our platforms in parallel */
 parallel(branches)
+
+// Integration testing, using a locally built Docker image
+def itBranches = [:]
+
+
+itBranches['buildtriggerbadge:2.10 tests success on JDK11'] = {
+    node('docker') {
+        checkout scm
+
+        // should we build the image only once and somehow export and stash/unstash it then?
+        // not sure this would be that quicker
+        stage('Build Docker Image') {
+            sh 'make docker'
+        }
+
+        stage('Download Jenkins 2.164.1') {
+            sh '''
+            curl -sL http://mirrors.jenkins.io/war-stable/2.164.1/jenkins.war --output jenkins.war
+            echo "65543f5632ee54344f3351b34b305702df12393b3196a95c3771ddb3819b220b jenkins.war" | sha256sum --check
+            '''
+        }
+
+        stage("Run known successful case(s)") {
+            sh '''docker run --rm \
+                         -v $(pwd)/jenkins.war:/pct/jenkins.war:ro \
+                         -v $(pwd)/out:/pct/out -e JDK_VERSION=11 \
+                         -e ARTIFACT_ID=buildtriggerbadge -e VERSION=buildtriggerbadge-2.10 \
+                         jenkins/pct
+            '''
+            archiveArtifacts artifacts: "out/**"
+
+            sh 'cat out/pct-report.html | grep "Tests : Success"'
+        }
+    }
+}
+
+itBranches['buildtriggerbadge:2.10 tests success on JDK8'] = {
+    node('docker') {
+        checkout scm
+
+        // should we build the image only once and somehow export and stash/unstash it then?
+        // not sure this would be that quicker
+        stage('Build Docker Image') {
+            sh 'make docker'
+        }
+
+        stage('Download Jenkins 2.164.1') {
+            sh '''
+            curl -sL http://mirrors.jenkins.io/war-stable/2.164.1/jenkins.war --output jenkins.war
+            echo "65543f5632ee54344f3351b34b305702df12393b3196a95c3771ddb3819b220b jenkins.war" | sha256sum --check
+            '''
+        }
+
+        stage("Run known successful case(s)") {
+            sh '''docker run --rm \
+                         -v $(pwd)/jenkins.war:/pct/jenkins.war:ro \
+                         -v $(pwd)/out:/pct/out -e JDK_VERSION=8 \
+                         -e ARTIFACT_ID=buildtriggerbadge -e VERSION=buildtriggerbadge-2.10 \
+                         jenkins/pct
+            '''
+            archiveArtifacts artifacts: "out/**"
+
+            sh 'cat out/pct-report.html | grep "Tests : Success"'
+        }
+    }
+}
+
+itBranches.failFast = false
+parallel itBranches