JS: move expressions test to box tests

js/js.translator/testData/box/expression/invoke/invokeInFunctionLiteral.kt

@@ -0,0 +1,13 @@
+package foo
+
+fun box(): String {
+    val v1 = { x: Int -> x}(2)
+
+    val f = { x: Int -> x}
+    val v2 = (f)(2)
+
+    if (v1 != 2) return "fail1: $v1"
+    if (v2 != 2) return "fail2: $v2"
+
+    return "OK"
+}