doc: add missing supported timer values in timers.enable()

Some timer values such as `setImmediate` and `clearImmediate` are
missed. And `milliseconds` which is argument of `timers.tick()`
is optional and default is 1.

Refs: nodejs#49534 (comment)

Author: deokjinkim

doc/api/test.md

@@ -1991,7 +1991,8 @@ Enables timer mocking for the specified timers.
     The currently supported timer values are `'setInterval'`, `'setTimeout'`, `'setImmediate'`,
     and `'Date'`. **Default:** `['setInterval', 'setTimeout', 'setImmediate', 'Date']`.
     If no array is provided, all time related APIs (`'setInterval'`, `'clearInterval'`,
-    `'setTimeout'`, `'clearTimeout'`, and `'Date'`) will be mocked by default.
+    `'setTimeout'`, `'clearTimeout'`, `'setImmediate'`, `'clearImmediate'`, and
+    `'Date'`) will be mocked by default.
   * `now` {number | Date} An optional number or Date object representing the
     initial time (in milliseconds) to use as the value
     for `Date.now()`. **Default:** `0`.
@@ -2046,10 +2047,11 @@ mock.timers.enable({ apis: ['Date'], now: new Date() });
 
 Alternatively, if you call `mock.timers.enable()` without any parameters:
 
-All timers (`'setInterval'`, `'clearInterval'`, `'setTimeout'`, and `'clearTimeout'`)
-will be mocked. The `setInterval`, `clearInterval`, `setTimeout`, and `clearTimeout`
-functions from `node:timers`, `node:timers/promises`,
-and `globalThis` will be mocked. As well as the global `Date` object.
+All timers (`'setInterval'`, `'clearInterval'`, `'setTimeout'`, `'clearTimeout'`,
+`'setImmediate'`, and `'clearImmediate'`) will be mocked. The `setInterval`,
+`clearInterval`, `setTimeout`, `clearTimeout`, `setImmediate`, and
+`clearImmediate` functions from `node:timers`, `node:timers/promises`, and
+`globalThis` will be mocked. As well as the global `Date` object.
 
 ### `timers.reset()`
 
@@ -2080,7 +2082,7 @@ mock.timers.reset();
 
 Calls `timers.reset()`.
 
-### `timers.tick(milliseconds)`
+### `timers.tick([milliseconds])`
 
 <!-- YAML
 added:
@@ -2091,7 +2093,7 @@ added:
 Advances time for all mocked timers.
 
 * `milliseconds` {number} The amount of time, in milliseconds,
-  to advance the timers.
+  to advance the timers. **Default:** `1`.
 
 **Note:** This diverges from how `setTimeout` in Node.js behaves and accepts
 only positive numbers. In Node.js, `setTimeout` with negative numbers is