Merge boxWithJava testData into box, delete BoxWithJava test

compiler/testData/codegen/box/statics/protectedStatic.kt

@@ -0,0 +1,35 @@
+// FILE: First.java
+
+public abstract class First {
+    protected static String TEST = "OK";
+
+    protected static String test() {
+        return TEST;
+    }
+}
+
+// FILE: First.kt
+
+package anotherPackage
+
+import First
+
+class Second : First() {
+    val some = { First.TEST }
+    fun foo() = { First.test() }
+
+    val some2 = { TEST }
+    fun foo2() = { test() }
+}
+
+fun box(): String {
+    if (Second().some.invoke() != "OK") return "fail 1"
+
+    if (Second().foo().invoke() != "OK") return "fail 2"
+
+    if (Second().some2.invoke() != "OK") return "fail 3"
+
+    if (Second().foo2().invoke() != "OK") return "fail 4"
+
+    return "OK"
+}