Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/anonymousObject/properRecapturingInClass/twoInlineLambda.kt

@@ -0,0 +1,34 @@
+// FILE: 1.kt
+
+package test
+
+interface A {
+    fun run()
+}
+
+class B(val o: String, val k: String) {
+
+    inline fun testNested(crossinline f2: (String) -> Unit, crossinline f3: (String) -> Unit) {
+        object : A {
+            override fun run() {
+                f2(o)
+                f3(k)
+            }
+        }.run()
+    }
+
+    inline fun test(crossinline f: (String) -> Unit) {
+        testNested ({ it ->  f(it + o) }) { it -> f(it + k) }
+    }
+
+}
+
+// FILE: 2.kt
+
+import test.*
+
+fun box(): String {
+    var result = ""
+    B("O", "K").test { it -> result += it }
+    return if (result == "OOKK") "OK" else "fail: $result"
+}