PhpCsFixer\Fixer\PhpUnit\PhpUnitStrictFixer::fix PHP Method

    public function fix(\SplFileInfo $file, Tokens $tokens)
    {
        foreach ($this->configuration as $methodBefore) {
            $methodAfter = $this->assertionMap[$methodBefore];
            for ($index = 0, $limit = $tokens->count(); $index < $limit; ++$index) {
                $sequence = $tokens->findSequence(array(array(T_VARIABLE, '$this'), array(T_OBJECT_OPERATOR, '->'), array(T_STRING, $methodBefore), '('), $index);
                if (null === $sequence) {
                    break;
                }
                $sequenceIndexes = array_keys($sequence);
                $tokens[$sequenceIndexes[2]]->setContent($methodAfter);
                $index = $sequenceIndexes[3];
            }
        }
    }