Add test file for PSR12.Operators.OperatorSpacing#547

jrfnl merged 1 commit intoPHPCSStandards:masterPHPCSStandards/PHP_CodeSniffer:masterfrom

fredden:mutation-testing/PSR12.Operators.OperatorSpacingfredden/PHP_CodeSniffer:mutation-testing/PSR12.Operators.OperatorSpacingCopy head branch name to clipboard