dns: fix dns query cache implementation

PR-URL: #58404
Refs: #57640
Reviewed-By: Juan José Arboleda <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Tim Perry <[email protected]>

Author: Ethan-Arrowood

src/cares_wrap.cc

@@ -879,9 +879,9 @@ void ChannelWrap::Setup() {
   }
 
   /* We do the call to ares_init_option for caller. */
-  const int optmask =
-      ARES_OPT_FLAGS | ARES_OPT_TIMEOUTMS |
-      ARES_OPT_SOCK_STATE_CB | ARES_OPT_TRIES;
+  const int optmask = ARES_OPT_FLAGS | ARES_OPT_TIMEOUTMS |
+                      ARES_OPT_SOCK_STATE_CB | ARES_OPT_TRIES |
+                      ARES_OPT_QUERY_CACHE;
   r = ares_init_options(&channel_, &options, optmask);
 
   if (r != ARES_SUCCESS) {

test/parallel/test-dns.js

@@ -415,7 +415,7 @@ assert.throws(() => {
         (answer) => Object.assign({ domain }, answer)
       ),
     }), port, address);
-  }, cases.length * 2 - 1));
+  }, cases.length * 2));
 
   server.bind(0, common.mustCall(() => {
     const address = server.address();