test: move benchmark-dgram to sequential

This test uses hardcoded ports, it should not be located in parallel.

PR-URL: #21144
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Rich Trott <[email protected]>

Author: apapirovski

test/parallel/test-benchmark-dgram.js test/sequential/test-benchmark-dgram.js

@@ -4,6 +4,10 @@ require('../common');
 
 const runBenchmark = require('../common/benchmark');
 
+// Because the dgram benchmarks use hardcoded ports, this should be in
+// sequential rather than parallel to make sure it does not conflict with
+// tests that choose random available ports.
+
 runBenchmark('dgram', ['address=true',
                        'chunks=2',
                        'dur=0.1',