Migrate boxWithJava tests to multi-file framework

compiler/testData/codegen/boxWithJava/collections/implementCollectionThroughKotlin.kt

@@ -0,0 +1,95 @@
+// FILE: J.java
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+public class J extends MyList {
+    @Override
+    public int getSize() {
+        return 55;
+    }
+
+    @Override
+    public int lastIndexOf(String s) {
+        return 0;
+    }
+
+    @Override
+    public int indexOf(String s) {
+        return 0;
+    }
+
+    @Override
+    public boolean contains(String s) {
+        return true;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return false;
+    }
+
+    @NotNull
+    @Override
+    public Iterator<String> iterator() {
+        return null;
+    }
+
+    @Override
+    public boolean containsAll(Collection<?> c) {
+        return false;
+    }
+
+    @Override
+    public String get(int index) {
+        return null;
+    }
+
+    @Override
+    public List<String> subList(int i, int i1) {
+        return super.subList(i, i1);
+    }
+
+    @Override
+    public ListIterator<String> listIterator(int i) {
+        return super.listIterator(i);
+    }
+
+    @Override
+    public ListIterator<String> listIterator() {
+        return super.listIterator();
+    }
+}
+
+// FILE: test.kt
+
+abstract class MyList : List<String>
+
+class ListImpl : J() {
+    override val size: Int get() = super.size + 1
+}
+
+fun box(): String {
+    val impl = ListImpl()
+    if (impl.size != 56) return "fail 1"
+    if (!impl.contains("abc")) return "fail 2"
+
+    val l: List<String> = impl
+
+    if (l.size != 56) return "fail 3"
+    if (!l.contains("abc")) return "fail 4"
+
+    val anyList: List<Any?> = impl as List<Any?>
+
+    if (anyList.size != 56) return "fail 5"
+    if (!anyList.contains("abc")) return "fail 6"
+
+    if (anyList.contains(1)) return "fail 7"
+    if (anyList.contains(null)) return "fail 8"
+
+    return "OK"
+}