complex file name breaks xcop

[yegor256]

/Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:95:in `initialize': No such file or directory @ rb_sysopen - ./target/surefire-reports/TEST-[modifies_vacation_mode (Errno::ENOENT)
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:95:in `open'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:95:in `fix'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:62:in `block in fix'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:61:in `each'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/lib/xcop.rb:61:in `fix'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/gems/xcop-0.5.7/bin/xcop:60:in `<top (required)>'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/bin/xcop:22:in `load'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/bin/xcop:22:in `<main>'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/bin/ruby_executable_hooks:15:in `eval'
	from /Users/yegor/.rvm/gems/ruby-2.3.3/bin/ruby_executable_hooks:15:in `<main>'