doc: add "tick" function name and argument description

PR-URL: #23551
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

test/common/README.md

@@ -750,6 +750,11 @@ should not be in scope when `listener.ongc()` is created.
 The `tick` module provides a helper function that can be used to call a callback
 after a given number of event loop "ticks".
 
+### tick(x, cb)
+
+* `x` [<number>] Number of event loop "ticks".
+* `cb` [<Function>] A callback function.
+
 ## tmpdir Module
 
 The `tmpdir` module supports the use of a temporary directory for testing.