Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/simple/params.kt

@@ -0,0 +1,50 @@
+// FILE: 1.kt
+
+class Inline() {
+
+    inline fun foo1Int(s : (l: Int) -> Int, param: Int) : Int {
+        return s(param)
+    }
+
+    inline fun foo1Double(param: Double, s : (l: Double) -> Double) : Double {
+        return s(param)
+    }
+
+    inline fun foo2Param(param1: Double, s : (i: Int, l: Double) -> Double, param2: Int) : Double {
+        return s(param2, param1)
+    }
+}
+
+// FILE: 2.kt
+
+fun test1(): Int {
+    val inlineX = Inline()
+    return inlineX.foo1Int({ z: Int -> z}, 25)
+}
+
+fun test2(): Double {
+    val inlineX = Inline()
+    return inlineX.foo1Double(25.0, { z: Double -> z})
+}
+
+fun test3(): Double {
+    val inlineX = Inline()
+    return inlineX.foo2Param(15.0, { z1: Int, z2: Double -> z1 + z2}, 10)
+}
+
+fun test3WithCaptured(): Double {
+    val inlineX = Inline()
+    var c = 11.0;
+    return inlineX.foo2Param(15.0, { z1: Int, z2: Double -> z1 + z2 + c}, 10)
+}
+
+
+fun box(): String {
+    if (test1() != 25) return "test1: ${test1()}"
+    if (test2() != 25.0) return "test2: ${test2()}"
+    if (test3() != 25.0) return "test3: ${test3()}"
+    if (test3WithCaptured() != 36.0) return "test3WithCaptured: ${test3WithCaptured()}"
+
+
+    return "OK"
+}