This pull request fixes the following deprecation warning:
CLI options definitions were upgraded with "type" property (which could be one of "string", "boolean", "multiple"). Below listed plugins do not predefine type for introduced options:
- mochaPlugin for "function", "path", "handler", "httpEvent", "reporter", "reporter-options", "grep", "live", "root", "compilers", "timeout", "exit"
This pull request fixes the following deprecation warning: