Merge boxWithJava testData into box, delete BoxWithJava test

compiler/testData/codegen/box/jvmStatic/object.kt

@@ -0,0 +1,49 @@
+// WITH_RUNTIME
+// FILE: Test.java
+
+class Test {
+
+    public static String test1() {
+        return A.test1();
+    }
+
+    public static String test2() {
+        return A.test2();
+    }
+
+    public static String test3() {
+        return A.test3("JAVA");
+    }
+
+    public static String test4() {
+        return A.getC();
+    }
+
+}
+
+// FILE: simpleObject.kt
+
+object A {
+
+    val b: String = "OK"
+
+    @JvmStatic val c: String = "OK"
+
+    @JvmStatic fun test1() = b
+
+    @JvmStatic fun test2() = b
+
+    @JvmStatic fun String.test3() = this + b
+}
+
+fun box(): String {
+    if (Test.test1() != "OK") return "fail 1"
+
+    if (Test.test2() != "OK") return "fail 2"
+
+    if (Test.test3() != "JAVAOK") return "fail 3"
+
+    if (Test.test4() != "OK") return "fail 4"
+
+    return "OK"
+}