Make several tests running on JS backend.

compiler/testData/codegen/box/callableReference/function/sortListOfStrings.kt

@@ -1,22 +1,14 @@
-// TODO: muted automatically, investigate should it be ran for JS or not
-// IGNORE_BACKEND: JS
-
-import java.util.ArrayList
-import java.util.Arrays
-import java.util.Collections
-import java.util.Comparator
+// WITH_RUNTIME
 
 fun sort(list: MutableList<String>, comparator: (String, String) -> Int) {
-    Collections.sort(list, object : Comparator<String> {
-        override fun compare(p0: String, p1: String) = comparator(p0, p1)
-    })
+    list.sortWith(Comparator(comparator))
 }
 
 fun compare(s1: String, s2: String) = s1.compareTo(s2)
 
 fun box(): String {
-    val l = ArrayList(Arrays.asList("d", "b", "c", "e", "a"))
+    val l = mutableListOf("d", "b", "c", "e", "a")
     sort(l, ::compare)
-    if (l != Arrays.asList("a", "b", "c", "d", "e")) return "Fail: $l"
+    if (l != listOf("a", "b", "c", "d", "e")) return "Fail: $l"
     return "OK"
 }