text: const { RuleTester } = require('eslint');
  const rule = require('./index');
  
  const ruleTester = new RuleTester();
  
  function testCase(filename) {
    return {
      code: 'var foo = 0;',
      filename,
    };
  }
  
  const valid = [testCase('fooBar.js'), testCase('foobar.js')];
  
  const invalid = [];
  
  ruleTester.run('match', rule, { valid, invalid });
  