[test] don't run bats tests for suse boxes (#31749)

These are temporarily not run as part of the packagingTest task but can 
still be run by running the task directly

buildSrc/src/main/groovy/org/elasticsearch/gradle/vagrant/VagrantTestPlugin.groovy

@@ -526,7 +526,11 @@ class VagrantTestPlugin implements Plugin<Project> {
                     project.gradle.removeListener(batsPackagingReproListener)
                 }
                 if (project.extensions.esvagrant.boxes.contains(box)) {
-                    packagingTest.dependsOn(batsPackagingTest)
+                    // these tests are temporarily disabled for suse boxes while we debug an issue
+                    // https://github.com/elastic/elasticsearch/issues/30295
+                    if (box.equals("opensuse-42") == false && box.equals("sles-12") == false) {
+                        packagingTest.dependsOn(batsPackagingTest)
+                    }
                 }
             }