[YAKHMI-910]SCTUnit: Add possibility to generate tests for Test-Suites.

-> minor change, deleted substring-Cutting

plugins/org.yakindu.sct.generator.genmodel/src/org/yakindu/sct/generator/genmodel/scoping/SGenScopeProvider.java

@@ -85,8 +85,7 @@ public class SGenScopeProvider extends AbstractDeclarativeScopeProvider {
 						EList<EClass> allSuperTypes = input.getEClass()
 								.getESuperTypes();
 						for (EClass eClass : allSuperTypes) {
-							if (elementRefType.equals(eClass.getInstanceClass()
-									.toString().substring(10)))
+							if (elementRefType.equals(eClass.getInstanceClassName()))
 								return true;
 						}
 						return elementRefType.equals(input.getEClass()