Flaky test management (#228)

* cancel job when Open Blocked Dialog is here for too long

* reuse existing helper method

Author: dvojtise

framework/xdsml_framework/tests/org.eclipse.gemoc.xdsmlframework.test.lib/src/org/eclipse/gemoc/xdsmlframework/test/lib/SWTBotHelper.xtend

@@ -32,17 +32,27 @@ class SWTBotHelper {
 
 
 	/**
-	 * relaunch the  waitForJobs several times in case some other background task
-	 * also wait for idle time to triggers new jobs 
+	 * print the list of shell known by swtbot
 	 */
 	static def void printShellList(SWTWorkbenchBot	bot) {
 		val shells = bot.shells.toList
 		println("SWTBot Known shells("+shells.size+"):")
 		for (shell : shells) {
-			println("\t"+shell)
+			System.out.println('''«shell» - text="«shell.text»"  id="«shell.id»"''')
 		}
 	}
 
+	/**
+	 * Print the shell list using the UI Thread
+	 */
+	static def void printShellListUI(SWTWorkbenchBot bot) {
+		Display.getDefault().syncExec(new Runnable() {
+			override void run() {
+				printShellList(bot)
+			}
+		});
+	}
+	
 	static def void printTreeList(SWTWorkbenchBot	bot) {
 		println("SWTBot tree(" + bot.tree().allItems.size + "):")
 		for (item : bot.tree().allItems) {

framework/xdsml_framework/tests/org.eclipse.gemoc.xdsmlframework.test.lib/src/org/eclipse/gemoc/xdsmlframework/test/lib/WorkspaceTestHelper.xtend

@@ -14,7 +14,9 @@ import java.io.ByteArrayInputStream
 import java.io.File
 import java.net.URL
 import java.net.URLClassLoader
+import java.nio.file.Files
 import java.util.ArrayList
+import java.util.Comparator
 import java.util.HashSet
 import java.util.List
 import java.util.Set
@@ -58,8 +60,6 @@ import org.eclipse.xtext.ui.testing.util.IResourcesSetupUtil
 import org.eclipse.xtext.ui.testing.util.JavaProjectSetupUtil
 import org.junit.Assert
 import org.osgi.framework.Bundle
-import java.nio.file.Files
-import java.util.Comparator
 
 /**
  * Class containing helper methods for testing a workspace in a GEMOC Language workbench
@@ -443,7 +443,8 @@ class WorkspaceTestHelper {
 					if(retry <= 300 && (job.name.contains("Git Repository Change Scanner") || 
 						job.name.contains("Periodic workspace save") ||
 						job.name.contains("Workbench Auto-Save Job") ||
-						job.name.contains("Compacting resource model")
+						job.name.contains("Compacting resource model") ||
+						job.name.contains("Open Blocked Dialog")
 					)) {
 						println("[waitForJobs] CANCELLING job "+job.name+ " (rule="+job.rule+")")
 						job.cancel