JS: move expressions test to box tests

js/js.translator/testData/box/expression/function/functionLiteralAsLastParameter.kt

@@ -0,0 +1,14 @@
+package foo
+
+fun f(a: (Int) -> Int) = a(1)
+
+fun box(): String {
+
+    if (f() {
+        it + 2
+    } != 3) return "fail1"
+
+    if (f() { a: Int -> a * 300 } != 300) return "fail2"
+
+    return "OK"
+}