Kapt: add some JeElement tests

(cherry picked from commit 948a4b6)

plugins/annotation-processing/testData/javaWrappers/WithNested/WithNested.java

@@ -0,0 +1,21 @@
+// WithNested
+
+class WithNested {
+    void myClassFun() {}
+    
+    static class NestedClass {
+        void nestedClassFun() {}
+    }
+    
+    class InnerClass {
+        void innerClassFun() {}
+        
+        class InnerInnerClass {
+            void innerInnerClassFun() {}
+        }
+    }
+    
+    interface NestedInterface {
+        void nestedInterfaceFun() {}
+    }
+}