Move JVM8 box test to common

compiler/testData/codegen/box/delegation/defaultOverride.kt

@@ -0,0 +1,32 @@
+// TARGET_BACKEND: JVM
+
+// FILE: Base.java
+
+public interface Base {
+    String getValue();
+
+    default String test() {
+        return getValue();
+    }
+}
+
+// FILE: main.kt
+
+public interface BaseKotlin : Base {
+    override fun getValue() = "OK"
+
+    override fun test(): String {
+        return getValue();
+    }
+}
+
+class OK : BaseKotlin {
+    override fun getValue() = "OK"
+}
+
+fun box(): String {
+    val ok = object : BaseKotlin by OK() {
+        override fun getValue() = "Fail"
+    }
+    return ok.test()
+}