Migrate boxWithJava tests to multi-file framework

compiler/testData/codegen/boxWithJava/builtinStubMethods/substitutedList.kt

@@ -0,0 +1,39 @@
+// FILE: Test.java
+
+class Test {
+    interface A {
+        boolean add(String s);
+    }
+
+    static class D extends C {}
+
+    void test() {
+        A a = new D();
+        a.add("lol");
+    }
+}
+
+// FILE: test.kt
+
+abstract class C : Test.A, List<String> {
+    override val size: Int get() = null!!
+    override fun isEmpty(): Boolean = null!!
+    override fun contains(o: String): Boolean = null!!
+    override fun iterator(): Iterator<String> = null!!
+    override fun containsAll(c: Collection<String>): Boolean = null!!
+    override fun get(index: Int): String = null!!
+    override fun indexOf(o: String): Int = null!!
+    override fun lastIndexOf(o: String): Int = null!!
+    override fun listIterator(): ListIterator<String> = null!!
+    override fun listIterator(index: Int): ListIterator<String> = null!!
+    override fun subList(fromIndex: Int, toIndex: Int): List<String> = null!!
+}
+
+fun box(): String {
+    try {
+        Test().test()
+        return "Fail"
+    } catch (e: UnsupportedOperationException) {
+        return "OK"
+    }
+}