Fix tests on PHP < 7.4

phpunit.xml

@@ -3,6 +3,7 @@
     <testsuites>
         <testsuite name="Reflection tests">
             <directory>tests</directory>
+            <exclude>tests/Classes</exclude>
         </testsuite>
     </testsuites>
     <filter>

tests/Classes/TypedProperties.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Brick\Reflection\Tests\Classes;
+
+class TypedProperties {
+    /**
+     * @var int|string
+     */
+    public $a;
+
+    public string $b;
+
+    public ?\PDO $c;
+}

tests/ReflectionToolsTest.php

@@ -4,6 +4,7 @@
 
 use Brick\Reflection\ReflectionTools;
 
+use Brick\Reflection\Tests\Classes\TypedProperties;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -245,16 +246,3 @@ abstract protected function c(int $a = 1, float $b = 0.5, string $c = 'test', $e
     private function d(?int $a, ?int $b) : ?string {}
     private function e(?int $a, ?int $b = null) : ?string {}
 }
-
-if (version_compare(PHP_VERSION, '7.4') >= 0) {
-    class TypedProperties {
-        /**
-         * @var int|string
-         */
-        public $a;
-
-        public string $b;
-
-        public ?\PDO $c;
-    }
-}