Kapt: add some JeElement tests

(cherry picked from commit 948a4b6)

plugins/annotation-processing/testData/elements/Overrides.kt

@@ -0,0 +1,16 @@
+@Deprecated("")
+open class Parent {
+    open fun a() {}
+}
+
+open class Child : Parent() {
+    override fun a() {}
+    fun a(name: String) {}
+    open fun b() = "A"
+}
+
+class ChildOfChild : Child() {
+    override fun a() {}
+    override fun b() = "B"
+    fun a(name: CharSequence) {}
+}