test: swap assert.strictEqual() parameters

The `actual` and the `expected` parameters are respectively the first
and the second.

PR-URL: #57217
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: lpinca

test/parallel/test-buffer-bigint64.js

@@ -9,23 +9,23 @@ const buf = Buffer.allocUnsafe(9);
   let val = 123456789n;
   buf[`writeBigInt64${endianness}`](val, 0);
   let rtn = buf[`readBigInt64${endianness}`](0);
-  assert.strictEqual(val, rtn);
+  assert.strictEqual(rtn, val);
 
   // Should allow INT64_MAX to be written and read
   val = 0x7fffffffffffffffn;
   buf[`writeBigInt64${endianness}`](val, 0);
   rtn = buf[`readBigInt64${endianness}`](0);
-  assert.strictEqual(val, rtn);
+  assert.strictEqual(rtn, val);
 
   // Should read and write a negative signed 64-bit integer
   val = -123456789n;
   buf[`writeBigInt64${endianness}`](val, 0);
-  assert.strictEqual(val, buf[`readBigInt64${endianness}`](0));
+  assert.strictEqual(buf[`readBigInt64${endianness}`](0), val);
 
   // Should read and write an unsigned 64-bit integer
   val = 123456789n;
   buf[`writeBigUInt64${endianness}`](val, 0);
-  assert.strictEqual(val, buf[`readBigUInt64${endianness}`](0));
+  assert.strictEqual(buf[`readBigUInt64${endianness}`](0), val);
 
   assert.strictEqual(buf[`writeBigUInt64${endianness}`](val, 0), 8);
   assert.strictEqual(buf[`writeBigInt64${endianness}`](val, 0), 8);