test: fix test-inspector-cli-address

The test was assuming that the entire string being sought would arrive
in a single data chunk, but it can be split across multiple chunks.

PR-URL: nodejs#38161
Backport-PR-URL: nodejs#38858
Refs: nodejs#36481
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Jan Krems <jan.krems@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

deps/node-inspect/test/cli/address.test.js

@@ -16,7 +16,9 @@ function launchTarget(...args) {
     };
     childProc.on('exit', onExit);
     childProc.stderr.setEncoding('utf8');
-    childProc.stderr.on('data', (data) => {
+    let data = '';
+    childProc.stderr.on('data', (chunk) => {
+      data += chunk;
       const ret = kDebuggerMsgReg.exec(data);
       childProc.removeListener('exit', onExit);
       if (ret) {