Add job to trigger post submit test cascade of heavy jobs

... instead of using reverse triggers for slow jobs (more than 10 min)
These jobs require a package build and would otherwise trigger several
individual package builds with different commit SHAs

CMK-20854

Change-Id: I001ae45fa415c674366a66b27ca344b719c92654

buildscripts/scripts/trigger-post-submit-test-cascade-full.groovy

@@ -0,0 +1,52 @@
+#!groovy
+
+/// file: trigger-post-submit-test-cascade-full.groovy
+
+/// Trigger post submit test cascade of heavy jobs
+
+def main() {
+    def all_heavy_jobs = [
+        "trigger-build-upload-cmk-distro-package",
+        "test-gui-crawl-f12less",
+        "trigger-test-gui-e2e",
+        "test-integration-single-f12less",
+        "test-integration-single-f12less-redfish",
+        "test-composition-single-f12less",
+        "test-composition-single-f12less-cme",
+        "test-integration-single-f12less-cme",
+    ];
+
+    print(
+        """
+        |===== CONFIGURATION ===============================
+        |all_heavy_jobs:........... │${all_heavy_jobs}│
+        |checkout_dir:............. │${checkout_dir}│
+        |===================================================
+        """.stripMargin());
+
+    def build_for_parallel = [:];
+    def base_folder = "${currentBuild.fullProjectName.split('/')[0..-2].join('/')}";
+
+    all_heavy_jobs.each { item ->
+        build_for_parallel[item] = { ->
+            stage(item) {
+                build(
+                    job: "${base_folder}/${item}",
+                    propagate: true,  // Raise any errors
+                    parameters: [
+                        string(name: "CUSTOM_GIT_REF", value: checkout_commit_id),
+                        string(name: "CIPARAM_OVERRIDE_BUILD_NODE", value: CIPARAM_OVERRIDE_BUILD_NODE),
+                        string(name: "CIPARAM_CLEANUP_WORKSPACE", value: CIPARAM_CLEANUP_WORKSPACE),
+                        string(name: "CIPARAM_BISECT_COMMENT", value: CIPARAM_BISECT_COMMENT),
+                    ],
+                );
+            }
+        }
+    }
+
+    stage('Trigger all heavy tests') {
+        parallel build_for_parallel;
+    }
+}
+
+return this;