…laration has trailing coma.

If a grouped use statement has a trailing coma like this:
```
use Magento\Something{
  Foo,
  Bar,
};
```
`findNext` on line 59 was returning false and next call was starting to search again from line 1 (`$next + 1`) and this function was looping indefinitely through input tokens.

…-coding-standard-223

[Imported] AC-957: Create unit test for Magento2\Html\HtmlDirectiveSniff check

…-coding-standard-224

[Imported] AC-958: create unit test for Magento2\Annotation checks

…-coding-standard-228

[Imported] Moved abstract unit test to autoload-dev

…-coding-standard-220

[Imported] Fix ImportsFromTestNamespace from lock on group use with trailing comma

…into AC-939

…-coding-standard-229

[Imported] AC-939: Create unit test for Magento2\Less\AvoidIdSniff check

…-coding-standard-231

[Imported] Version 8