Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/smap/oneFile.kt

@@ -0,0 +1,32 @@
+// FILE: 1.kt
+
+package zzz
+
+inline fun nothing() {}
+
+//SMAP ABSENT
+
+// FILE: 2.kt
+
+fun box(): String {
+    return test {
+        "K"
+    }
+}
+
+inline fun test(p: () -> String): String {
+    var pd = ""
+    pd = "O"
+    return pd + p()
+}
+//TODO should be empty
+//SMAP
+//oneFile.1.kt
+//Kotlin
+//*S Kotlin
+//*F
+//+ 1 oneFile.1.kt
+//OneFile_1Kt
+//*L
+//1#1,22:1
+//*E