Do not reference java.util in tests that run on JS backend.

compiler/testData/codegen/box/arrays/cloneArray.kt

@@ -1,17 +1,17 @@
 // TODO: muted automatically, investigate should it be ran for JS or not
 // IGNORE_BACKEND: JS
 
-import java.util.Arrays.equals
+// WITH_RUNTIME
 
 fun box(): String {
     val s = arrayOf("live", "long")
     val t: Array<String> = s.clone()
-    if (!equals(s, t)) return "Fail string"
+    if (!(s contentEquals t)) return "Fail string"
     if (s === t) return "Fail string identity"
 
     val ss = arrayOf(s, s)
     val tt: Array<Array<String>> = ss.clone()
-    if (!equals(ss, tt)) return "Fail string[]"
+    if (!(ss contentEquals tt)) return "Fail string[]"
     if (ss === tt) return "Fail string[] identity"
 
     return "OK"