Make tests green when running with zend.assertions=1 (#321)

Close #320

Author: spaze

composer.json

@@ -49,7 +49,7 @@
 		"phpcs": "vendor/bin/phpcs src/ tests/",
 		"cs-fix": "vendor/bin/phpcbf src/ tests/",
 		"phpstan": "vendor/bin/phpstan --ansi analyse --configuration phpstan.neon",
-		"phpunit": "vendor/bin/phpunit --colors=always",
+		"phpunit": "php -d zend.assertions=1 vendor/bin/phpunit --colors=always",
 		"test": [
 			"@lint",
 			"@lint-neon",

src/RuleErrors/DisallowedCallsRuleErrors.php

@@ -49,11 +49,12 @@ public function __construct(Allowed $allowed, Identifier $identifier, FilePath $
 	 */
 	public function get(?CallLike $node, Scope $scope, string $name, ?string $displayName, ?string $definedIn, array $disallowedCalls, string $identifier, ?string $message = null): array
 	{
+		$args = isset($node) && !$node->isFirstClassCallable() ? $node->getArgs() : null;
 		foreach ($disallowedCalls as $disallowedCall) {
 			if (
 				$this->identifier->matches($disallowedCall->getCall(), $name, $disallowedCall->getExcludes())
 				&& $this->definedInMatches($disallowedCall, $definedIn)
-				&& !$this->allowed->isAllowed($node, $scope, isset($node) ? $node->getArgs() : null, $disallowedCall)
+				&& !$this->allowed->isAllowed($node, $scope, $args, $disallowedCall)
 			) {
 				$errorBuilder = RuleErrorBuilder::message(sprintf(
 					$message ?? 'Calling %s is forbidden%s%s',