Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/lambdaClassClash/noInlineLambdaX2.kt

@@ -0,0 +1,26 @@
+// FILE: 1.kt
+
+package test
+var s: Int = 1;
+
+inline fun Int.inlineMethod() : Int {
+    noInlineLambda()
+    return noInlineLambda()
+}
+
+inline fun Int.noInlineLambda() =  { s++ } ()
+
+// FILE: 2.kt
+
+//NO_CHECK_LAMBDA_INLINING
+import test.*
+fun test1(): Int {
+    return 1.inlineMethod()
+}
+
+fun box(): String {
+    val result = test1()
+    if (result != 2) return "test1: ${result}"
+
+    return "OK"
+}