test: display better error message for assertion

SgtPooki · Trott · commit beb23570dc4b · 2017-10-08T20:11:31.000-07:00
This commit makes understanding assertion failures easier by displaying the values that failed the assertion. PR-URL: nodejs#15883 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
diff --git a/test/parallel/test-zlib-random-byte-pipes.js b/test/parallel/test-zlib-random-byte-pipes.js
@@ -150,5 +150,5 @@ const gunz = zlib.createGunzip();
 inp.pipe(gzip).pipe(gunz).pipe(out);
 
 out.on('data', common.mustCall((c) => {
-  assert.strictEqual(c, inp._hash, 'hashes should match');
+  assert.strictEqual(c, inp._hash, `Hash '${c}' equals '${inp._hash}'.`);
 }));
