Add unit test for class / interface bound

Author: Matthias Güdemann

unit/java_bytecode/java_bytecode_parse_generics/BoundedGenericClasses.java

@@ -0,0 +1,8 @@
+class C{
+}
+interface I{
+}
+class interface_bound<T extends I> {
+}
+class class_bound<T extends C> {
+}