Avoid calling TransientActionFactory from SCMRevisionActionTest mock (jenkinsci#215)

Author: jglick

src/test/java/jenkins/scm/api/SCMRevisionActionTest.java

@@ -1,6 +1,9 @@
 package jenkins.scm.api;
 
+import hudson.model.Action;
 import hudson.model.Actionable;
+import java.util.List;
+import java.util.stream.Collectors;
 import jenkins.scm.impl.mock.MockSCMController;
 import jenkins.scm.impl.mock.MockSCMDiscoverBranches;
 import jenkins.scm.impl.mock.MockSCMHead;
@@ -77,5 +80,11 @@ public String getDisplayName() {
         public String getSearchUrl() {
             return null;
         }
+
+        @SuppressWarnings("deprecation") // avoid TransientActionFactory
+        @Override
+        public <T extends Action> List<T> getActions(Class<T> type) {
+            return getActions().stream().filter(type::isInstance).map(type::cast).collect(Collectors.toList());
+        }
     }
 }