Added SchedulingRule for generator (Test must be availabe to wait for success)

plugins/org.yakindu.sct.generator.core/src/org/yakindu/sct/generator/core/GeneratorExecutor.java

@@ -55,10 +55,10 @@ public class GeneratorExecutor {
 				return Status.OK_STATUS;
 			}
 		};
+		generatorJob.setRule(file);
 		generatorJob.schedule();
 	}
 
-
 	protected Resource loadResource(IFile file) {
 		Resource resource = null;
 		URI uri = URI.createPlatformResourceURI(file.getFullPath().toString(),