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doc: add missing function to test common doc #11382

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doc: add missing function to test common doc 
Add documentation for `common.expectsError()` to `test/README.md`.
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@Trott
Trott committed Feb 15, 2017
commit c0c4f3ae9e315747e8d2c76cdd07c6f356e789d3
16 changes: 16 additions & 0 deletions test/README.md
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Expand Up @@ -180,6 +180,22 @@ Platform normalizes the `dd` command

Check if there is more than 1gb of total memory.

### expectsError(code[, type[, message]])
* `code` [<String>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type)
expected error must have this value for its `code` property
* `type` [<Function>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function)
expected error must be an instance of `type`
* `message` [<String>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type)
or [<RegExp>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
if a string is provided for `message`, expected error must have it for its
`message` property; if a regular expression is provided for `message`, the
regular expression must match the `message` property of the expected error

* return function suitable for use as a validation function passed as the second
argument to `assert.throws()`

The expected error should be [subclassed by the `internal/errors` module](https://github.com/nodejs/node/blob/master/doc/guides/using-internal-errors.md#api).

### expectWarning(name, expected)
* `name` [<String>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type)
* `expected` [<String>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type) | [<Array>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)
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