test: correct order of args in assert.strictEqual()

Ensure literal values are passed in as second argument

PR-URL: #24157
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-buffer-fill.js

@@ -303,19 +303,19 @@ Buffer.alloc(8, '');
 
   buf.fill(0);
   for (let i = 0; i < buf.length; i++)
-    assert.strictEqual(0, buf[i]);
+    assert.strictEqual(buf[i], 0);
 
   buf.fill(null);
   for (let i = 0; i < buf.length; i++)
-    assert.strictEqual(0, buf[i]);
+    assert.strictEqual(buf[i], 0);
 
   buf.fill(1, 16, 32);
   for (let i = 0; i < 16; i++)
-    assert.strictEqual(0, buf[i]);
+    assert.strictEqual(buf[i], 0);
   for (let i = 16; i < 32; i++)
-    assert.strictEqual(1, buf[i]);
+    assert.strictEqual(buf[i], 1);
   for (let i = 32; i < buf.length; i++)
-    assert.strictEqual(0, buf[i]);
+    assert.strictEqual(buf[i], 0);
 }
 
 {