Fix build

Author: ondrejmirtes

Diff for: tests/Rules/Operators/OperandsInArithmeticAdditionRuleTest.php

@@ -4,6 +4,7 @@
 
 use PHPStan\Rules\Rule;
 use PHPStan\Rules\RuleLevelHelper;
+use const PHP_VERSION_ID;
 
 class OperandsInArithmeticAdditionRuleTest extends \PHPStan\Testing\RuleTestCase
 {
@@ -19,7 +20,7 @@ protected function getRule(): Rule
 
 	public function testRule(): void
 	{
-		$this->analyse([__DIR__ . '/data/operators.php'], [
+		$messages = [
 			[
 				'Only numeric types are allowed in +, string given on the right side.',
 				25,
@@ -36,11 +37,14 @@ public function testRule(): void
 				'Only numeric types are allowed in +, string given on the right side.',
 				29,
 			],
-			[
+		];
+		if (PHP_VERSION_ID < 80000) {
+			$messages[] = [
 				'Only numeric types are allowed in +, (array<int, string>|false) given on the left side.',
 				110,
-			],
-		]);
+			];
+		}
+		$this->analyse([__DIR__ . '/data/operators.php'], $messages);
 	}
 
 }