diff --git a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
index a25df845f3..24ab77c1a0 100644
--- a/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
+++ b/tests/PHPStan/Analyser/LegacyNodeScopeResolverTest.php
@@ -7315,6 +7315,9 @@ public function testReplaceFunctions(
 		);
 	}
 
+	/**
+	 * @return Generator<string|int, array{string,string}>
+	 */
 	public static function dataFilterVar(): Generator
 	{
 		$typesAndFilters = [
diff --git a/tests/PHPStan/Parser/CachedParserTest.php b/tests/PHPStan/Parser/CachedParserTest.php
index 17f87039e4..a0df7a1b2a 100644
--- a/tests/PHPStan/Parser/CachedParserTest.php
+++ b/tests/PHPStan/Parser/CachedParserTest.php
@@ -46,6 +46,9 @@ public function testParseFileClearCache(
 		);
 	}
 
+	/**
+	 * @return Generator<string, array{cachedNodesByStringCountMax: int,cachedNodesByStringCountExpected: int}>
+	 */
 	public static function dataParseFileClearCache(): Generator
 	{
 		yield 'even' => [
diff --git a/tests/PHPStan/Reflection/ParametersAcceptorSelectorTest.php b/tests/PHPStan/Reflection/ParametersAcceptorSelectorTest.php
index 47a32e3e74..8c375776f8 100644
--- a/tests/PHPStan/Reflection/ParametersAcceptorSelectorTest.php
+++ b/tests/PHPStan/Reflection/ParametersAcceptorSelectorTest.php
@@ -39,6 +39,9 @@
 class ParametersAcceptorSelectorTest extends PHPStanTestCase
 {
 
+	/**
+	 * @return Generator<int,array{Type[], ParametersAcceptor[], bool, ParametersAcceptor}>
+	 */
 	public static function dataSelectFromTypes(): Generator
 	{
 		require_once __DIR__ . '/data/function-definitions.php';