test: throw check in test-zlib-write-after-close

PR-URL: #11482
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yuta Hiroto <[email protected]>

Author: Jason Wilson

test/parallel/test-zlib-write-after-close.js

@@ -6,7 +6,5 @@ const zlib = require('zlib');
 zlib.gzip('hello', common.mustCall(function(err, out) {
   const unzip = zlib.createGunzip();
   unzip.close(common.mustCall(function() {}));
-  assert.throws(function() {
-    unzip.write(out);
-  });
+  assert.throws(() => unzip.write(out), /^Error: zlib binding closed$/);
 }));