test_runner: use internal date check function

This fixes an issue where a value could be `instanceof Date` without actually being a native date.

Co-authored-by: Antoine du Hamel <[email protected]>

Author: malthe

lib/internal/test_runner/reporter/tap.js

@@ -3,7 +3,6 @@ const {
   ArrayPrototypeForEach,
   ArrayPrototypeJoin,
   ArrayPrototypePush,
-  Date,
   ObjectEntries,
   RegExpPrototypeSymbolReplace,
   RegExpPrototypeSymbolSplit,
@@ -164,9 +163,9 @@ function jsToYaml(indent, name, value, seen) {
 
   if (name != null) {
     result += prefix;
-    if (value instanceof Date) {
+    if (internalBindings('types').isDate(value)) {
       // YAML uses the ISO-8601 standard to express dates.
-      result += ' ' + value.toISOString();
+      result += ' ' + DatePrototypeToISOString(value);
     }
     result += '\n';
     propsIndent += '  ';