Merge pull request #2228 from nikita-dubrovskii/fold_testiso

.cci.jenkinsfile: drop testiso and run kola after all artifacts

Author: prestist

.cci.jenkinsfile

@@ -58,19 +58,21 @@ cosaPod {
     //    throw new Exception("No 1.6.0-experimental external tests found; comment out this workaround.")
     //}
 
+    // Build all artifacts before running tests, as iso.* tests are now folded into kola.
+    stage("Build Artifacts") {
+        shwrap("""
+            cd /srv/coreos
+            cosa osbuild metal metal4k live
+        """)
+    }
+
     // we run the blackbox tests separately instead of as part of the main kola
     // run since it's a distinct kind of test and we want to draw more
     // attention to it in the Jenkins UI
-    kola(extraArgs: "--denylist-test ext.*.blackbox")
-
     parallel blackbox: {
         unstash name: 'blackbox'
         kola(extraArgs: "ext.*.blackbox", skipUpgrade: true)
-    }, testiso: {
-        shwrap("""
-            cd /srv/coreos
-            cosa osbuild metal metal4k live
-        """)
-        kolaTestIso()
+    }, kola: {
+        kola(extraArgs: "--denylist-test ext.*.blackbox")
     }
 }