isStrictAboutTestsThatDoNotTestAnything example

if (isset($annotations['class']['expectedDeprecation'])) {
                $test->getTestResultObject()->addError($test, new AssertionFailedError('"@expectedDeprecation" annotations are not allowed at the class level.'), 0);
            }
            if (isset($annotations['method']['expectedDeprecation']) || $this->checkNumAssertions = method_exists($test, 'expectDeprecation') && (new \ReflectionMethod($test, 'expectDeprecation'))->getFileName() === (new \ReflectionMethod(ExpectDeprecationTrait::class, 'expectDeprecation'))->getFileName()) {
                if (isset($annotations['method']['expectedDeprecation'])) {
                    self::$expectedDeprecations = $annotations['method']['expectedDeprecation'];
                    self::$previousErrorHandler = set_error_handler([self::class, 'handleError']);
                    @trigger_error('Since symfony/phpunit-bridge 5.1: Using "@expectedDeprecation" annotations in tests is deprecated, use the "ExpectDeprecationTrait::expectDeprecation()" method instead.', \E_USER_DEPRECATED);
                }

                if ($this->checkNumAssertions) {
                    $this->checkNumAssertions = $test->getTestResultObject()->isStrictAboutTestsThatDoNotTestAnything();
                }

                $test->getTestResultObject()->beStrictAboutTestsThatDoNotTestAnything(false);
            }
        }
    }

    public function endTest($test, $time): void
    {
        if ($file = getenv('SYMFONY_EXPECTED_DEPRECATIONS_SERIALIZE')) {
            putenv('SYMFONY_EXPECTED_DEPRECATIONS_SERIALIZE');