Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/enclosingInfo/transformedConstructorWithAdditionalObject.kt

@@ -0,0 +1,51 @@
+// FILE: 1.kt
+
+package test
+
+interface Z<T> {
+    fun a() : T
+}
+
+inline fun test(crossinline z: () -> String) =
+        object : Z<Z<String>> {
+
+            val p: Z<String> = object : Z<String> {
+
+                val p2 = z()
+
+                override fun a() = p2
+            }
+
+            override fun a() = p
+        }
+
+// FILE: 2.kt
+
+import test.*
+
+fun box(): String {
+    var z = "OK"
+    val res = test {
+        z
+    }
+
+
+    val javaClass1 = res.javaClass
+    val enclosingMethod = javaClass1.enclosingMethod
+    if (enclosingMethod?.name != "box") return "fail 1: ${enclosingMethod?.name}"
+
+    val enclosingClass = javaClass1.enclosingClass
+    if (enclosingClass?.name != "TransformedConstructorWithAdditionalObject_1Kt") return "fail 2: ${enclosingClass?.name}"
+
+
+    val res2 = res.a()
+    val enclosingConstructor = res2.javaClass.enclosingConstructor
+    if (enclosingConstructor?.name != javaClass1.name) return "fail 3: ${enclosingConstructor?.name} != ${javaClass1.name}"
+
+    val enclosingClass2 = res2.javaClass.enclosingClass
+    if (enclosingClass2?.name != javaClass1.name) return "fail 4: ${enclosingClass2?.name} != ${javaClass1.name}"
+
+
+
+    return res2.a()
+}