Merge pull request #395 from JasonFengJ9/increasetimeout

Increase individual test timeout from 10 min to 20 min

openjdk.test.jck/src/test.jck/net/adoptopenjdk/stf/Jck.java

@@ -571,7 +571,7 @@ public void jckConfigurationForMultijvmWithNoAgent(StfCoreExtension test) throws
 				throw new StfException("Unknown platform:: " + platform);
 			}
 			fileContent += "concurrency " + concurrencyString + ";\n";
-			fileContent += "timeoutfactor 1" + ";\n";				// java_awt and javax_management require more than 1h to finish tests
+			fileContent += "timeoutfactor 2" + ";\n";	// 2 base time limit equal 20 minutes
 			fileContent += keyword + ";\n";
 
 			if (platform.equals("win32")) {