diff --git a/tests/PHPStan/Node/AttributeArgRule.php b/tests/PHPStan/Node/AttributeArgRule.php
new file mode 100644
index 0000000000..90865da170
--- /dev/null
+++ b/tests/PHPStan/Node/AttributeArgRule.php
@@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Node;
+
+use PhpParser\Node;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+
+/**
+ * @implements Rule<Node\Arg>
+ */
+class AttributeArgRule implements Rule
+{
+
+	public const ERROR_MESSAGE = 'Found Arg';
+
+	public function getNodeType(): string
+	{
+		return Node\Arg::class;
+	}
+
+	/**
+	 * @param Node\Arg $node
+	 * @return string[]
+	 */
+	public function processNode(Node $node, Scope $scope): array
+	{
+		return [self::ERROR_MESSAGE];
+	}
+
+}
diff --git a/tests/PHPStan/Node/AttributeArgRuleTest.php b/tests/PHPStan/Node/AttributeArgRuleTest.php
index d1946f91c3..29773859d8 100644
--- a/tests/PHPStan/Node/AttributeArgRuleTest.php
+++ b/tests/PHPStan/Node/AttributeArgRuleTest.php
@@ -3,43 +3,29 @@
 namespace PHPStan\Node;
 
 use PhpParser\Node;
-use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
-use PHPStan\Rules\RuleError;
 use PHPStan\Testing\RuleTestCase;
 
+/**
+ * @extends RuleTestCase<Rule>
+ */
 class AttributeArgRuleTest extends RuleTestCase
 {
 
-	public const ERROR_MESSAGE = 'Found Arg';
-
+	/**
+	 * @return Rule<Node\Arg>
+	 */
 	protected function getRule(): Rule
 	{
-		return new class() implements Rule {
-
-			public function getNodeType(): string
-			{
-				return Node\Arg::class;
-			}
-
-			/**
-			 * @param Node\Arg $node
-			 * @return RuleError[]
-			 */
-			public function processNode(Node $node, Scope $scope): array
-			{
-				return [AttributeArgRuleTest::ERROR_MESSAGE];
-			}
-
-		};
+		return new AttributeArgRule();
 	}
 
 	public function dataRule(): iterable
 	{
 		yield [
 			__DIR__ . '/data/attributes.php',
-			self::ERROR_MESSAGE,
-			[8, 16,	20,	23,	26,	27,	34, 40],
+			AttributeArgRule::ERROR_MESSAGE,
+			[8, 16, 20, 23, 26, 27, 34, 40],
 		];
 	}
 
diff --git a/tests/PHPStan/Node/AttributeGroupRule.php b/tests/PHPStan/Node/AttributeGroupRule.php
new file mode 100644
index 0000000000..127c4f1f62
--- /dev/null
+++ b/tests/PHPStan/Node/AttributeGroupRule.php
@@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Node;
+
+use PhpParser\Node;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+
+/**
+ * @implements Rule<Node\AttributeGroup>
+ */
+class AttributeGroupRule implements Rule
+{
+
+	public const ERROR_MESSAGE = 'Found AttributeGroup';
+
+	public function getNodeType(): string
+	{
+		return Node\AttributeGroup::class;
+	}
+
+	/**
+	 * @param Node\AttributeGroup $node
+	 * @return string[]
+	 */
+	public function processNode(Node $node, Scope $scope): array
+	{
+		return [self::ERROR_MESSAGE];
+	}
+
+}
diff --git a/tests/PHPStan/Node/AttributeGroupRuleTest.php b/tests/PHPStan/Node/AttributeGroupRuleTest.php
index 4739c28919..d1e3044f44 100644
--- a/tests/PHPStan/Node/AttributeGroupRuleTest.php
+++ b/tests/PHPStan/Node/AttributeGroupRuleTest.php
@@ -3,43 +3,29 @@
 namespace PHPStan\Node;
 
 use PhpParser\Node;
-use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
-use PHPStan\Rules\RuleError;
 use PHPStan\Testing\RuleTestCase;
 
+/**
+ * @extends RuleTestCase<Rule>
+ */
 class AttributeGroupRuleTest extends RuleTestCase
 {
 
-	public const ERROR_MESSAGE = 'Found AttributeGroup';
-
+	/**
+	 * @return Rule<Node\AttributeGroup>
+	 */
 	protected function getRule(): Rule
 	{
-		return new class() implements Rule {
-
-			public function getNodeType(): string
-			{
-				return Node\AttributeGroup::class;
-			}
-
-			/**
-			 * @param Node\AttributeGroup $node
-			 * @return RuleError[]
-			 */
-			public function processNode(Node $node, Scope $scope): array
-			{
-				return [AttributeGroupRuleTest::ERROR_MESSAGE];
-			}
-
-		};
+		return new AttributeGroupRule();
 	}
 
 	public function dataRule(): iterable
 	{
 		yield [
 			__DIR__ . '/data/attributes.php',
-			self::ERROR_MESSAGE,
-			[8, 16,	20,	23,	26,	27,	34, 40],
+			AttributeGroupRule::ERROR_MESSAGE,
+			[8, 16, 20, 23, 26, 27, 34, 40],
 		];
 	}
 
diff --git a/tests/PHPStan/Node/AttributeRule.php b/tests/PHPStan/Node/AttributeRule.php
new file mode 100644
index 0000000000..9b7519bce8
--- /dev/null
+++ b/tests/PHPStan/Node/AttributeRule.php
@@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Node;
+
+use PhpParser\Node;
+use PHPStan\Analyser\Scope;
+use PHPStan\Rules\Rule;
+
+/**
+ * @implements Rule<Node\Attribute>
+ */
+class AttributeRule implements Rule
+{
+
+	public const ERROR_MESSAGE = 'Found Attribute';
+
+	public function getNodeType(): string
+	{
+		return Node\Attribute::class;
+	}
+
+	/**
+	 * @param Node\Attribute $node
+	 * @return string[]
+	 */
+	public function processNode(Node $node, Scope $scope): array
+	{
+		return [self::ERROR_MESSAGE];
+	}
+
+}
diff --git a/tests/PHPStan/Node/AttributeRuleTest.php b/tests/PHPStan/Node/AttributeRuleTest.php
index f1f6efce7d..9eadcd0fdb 100644
--- a/tests/PHPStan/Node/AttributeRuleTest.php
+++ b/tests/PHPStan/Node/AttributeRuleTest.php
@@ -3,43 +3,30 @@
 namespace PHPStan\Node;
 
 use PhpParser\Node;
-use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
-use PHPStan\Rules\RuleError;
 use PHPStan\Testing\RuleTestCase;
+use const PHP_VERSION_ID;
 
+/**
+ * @extends RuleTestCase<Rule>
+ */
 class AttributeRuleTest extends RuleTestCase
 {
 
-	public const ERROR_MESSAGE = 'Found Attribute';
-
+	/**
+	 * @return Rule<Node\Attribute>
+	 */
 	protected function getRule(): Rule
 	{
-		return new class() implements Rule {
-
-			public function getNodeType(): string
-			{
-				return Node\Attribute::class;
-			}
-
-			/**
-			 * @param Node\Attribute $node
-			 * @return RuleError[]
-			 */
-			public function processNode(Node $node, Scope $scope): array
-			{
-				return [AttributeRuleTest::ERROR_MESSAGE];
-			}
-
-		};
+		return new AttributeRule();
 	}
 
 	public function dataRule(): iterable
 	{
 		yield [
 			__DIR__ . '/data/attributes.php',
-			self::ERROR_MESSAGE,
-			[8, 16,	20,	23,	26,	27,	34, 40],
+			AttributeRule::ERROR_MESSAGE,
+			[8, 16, 20, 23, 26, 27, 34, 40],
 		];
 	}
 
diff --git a/tests/PHPStan/Node/data/attributes.php b/tests/PHPStan/Node/data/attributes.php
index 050f5c7845..0103b343c4 100644
--- a/tests/PHPStan/Node/data/attributes.php
+++ b/tests/PHPStan/Node/data/attributes.php
@@ -1,4 +1,4 @@
-<?php
+<?php // lint >= 8.0
 
 namespace NodeCallbackCalled;