diff --git a/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceTest.php b/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceTest.php
index c5e377a..b8fe28e 100644
--- a/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceTest.php
+++ b/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceTest.php
@@ -8,16 +8,31 @@
 use MariaStan\TestCaseHelper;
 use PHPStan\Testing\TypeInferenceTestCase;
 
+use const PHP_VERSION_ID;
+
 class MySQLiTypeInferenceTest extends TypeInferenceTestCase
 {
+	/** @return list<string> */
+	public static function getTestFiles(): array
+	{
+		$result = [__DIR__ . '/data/MySQLiTypeInferenceDataTest.php'];
+
+		if (PHP_VERSION_ID >= 80200) {
+			$result[] = __DIR__ . '/data/MySQLiExecuteQueryTypeInferenceDataTest.php';
+		}
+
+		return $result;
+	}
+
 	/** @return iterable<mixed> */
-	public function dataFileAsserts(): iterable
+	public static function dataFileAsserts(): iterable
 	{
 		$mysqli = TestCaseHelper::getDefaultSharedConnection();
 		MySQLiTypeInferenceDataTest::initData($mysqli);
 
-		// path to a file with actual asserts of expected types:
-		yield from $this->gatherAssertTypes(__DIR__ . '/data/MySQLiTypeInferenceDataTest.php');
+		foreach (self::getTestFiles() as $testFile) {
+			yield from self::gatherAssertTypes($testFile);
+		}
 	}
 
 	/** @dataProvider dataFileAsserts */
diff --git a/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceWithFileReflectionTest.php b/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceWithFileReflectionTest.php
index ec312ba..13903f2 100644
--- a/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceWithFileReflectionTest.php
+++ b/tests/PHPStan/Type/MySQLi/MySQLiTypeInferenceWithFileReflectionTest.php
@@ -15,7 +15,7 @@
 class MySQLiTypeInferenceWithFileReflectionTest extends TypeInferenceTestCase
 {
 	/** @return iterable<mixed> */
-	public function dataFileAsserts(): iterable
+	public static function dataFileAsserts(): iterable
 	{
 		$mysqli = TestCaseHelper::getDefaultSharedConnection();
 		MySQLiTypeInferenceDataTest::initData($mysqli);
@@ -24,8 +24,9 @@ public function dataFileAsserts(): iterable
 			MariaDbFileDbReflection::dumpSchema($mysqli, MysqliUtil::getDatabaseName($mysqli)),
 		);
 
-		// path to a file with actual asserts of expected types:
-		yield from $this->gatherAssertTypes(__DIR__ . '/data/MySQLiTypeInferenceDataTest.php');
+		foreach (MySQLiTypeInferenceTest::getTestFiles() as $testFile) {
+			yield from self::gatherAssertTypes($testFile);
+		}
 	}
 
 	/** @dataProvider dataFileAsserts */
diff --git a/tests/PHPStan/Type/MySQLi/data/MySQLiExecuteQueryTypeInferenceDataTest.php b/tests/PHPStan/Type/MySQLi/data/MySQLiExecuteQueryTypeInferenceDataTest.php
new file mode 100644
index 0000000..169ef14
--- /dev/null
+++ b/tests/PHPStan/Type/MySQLi/data/MySQLiExecuteQueryTypeInferenceDataTest.php
@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MariaStan\PHPStan\Type\MySQLi\data;
+
+use MariaStan\TestCaseHelper;
+use mysqli;
+use PHPUnit\Framework\TestCase;
+
+use function array_keys;
+use function function_exists;
+use function PHPStan\Testing\assertType;
+use function rand;
+
+use const MYSQLI_ASSOC;
+use const PHP_VERSION_ID;
+
+class MySQLiExecuteQueryTypeInferenceDataTest extends TestCase
+{
+	public function testExecuteQuery(): void
+	{
+		if (PHP_VERSION_ID < 80200) {
+			$this->markTestSkipped('This test needs PHP 8.2');
+		}
+
+		$db = TestCaseHelper::getDefaultSharedConnection();
+
+		$rows = $db->execute_query('SELECT 1 id', [])->fetch_all(MYSQLI_ASSOC);
+
+		foreach ($rows as $row) {
+			if (function_exists('assertType')) {
+				assertType('int', $row['id']);
+				assertType('*ERROR*', $row[0]);
+			}
+
+			$this->assertSame(['id'], array_keys($row));
+			$this->assertIsInt($row['id']);
+		}
+
+		$rows = $db->execute_query('SELECT 1 id HAVING id = ?', [1])->fetch_all(MYSQLI_ASSOC);
+
+		foreach ($rows as $row) {
+			if (function_exists('assertType')) {
+				assertType('int', $row['id']);
+				assertType('*ERROR*', $row[0]);
+			}
+
+			$this->assertSame(['id'], array_keys($row));
+			$this->assertIsInt($row['id']);
+		}
+	}
+
+	// This is not executed.
+	public function checkExecuteQueryPlaceholderTypeProvider(mysqli $db): void
+	{
+		$row = $db->execute_query('SELECT ? val', [rand() ? 1 : 2])->fetch_assoc();
+
+		if (function_exists('assertType')) {
+			assertType("'1'|'2'", $row['val']);
+		}
+
+		$row = $db->execute_query('SELECT ? val', rand() ? [1] : ['a'])->fetch_assoc();
+
+		if (function_exists('assertType')) {
+			assertType("'1'|'a'", $row['val']);
+		}
+
+		$row = $db->execute_query('SELECT ? val', rand() ? [1] : [null])->fetch_assoc();
+
+		if (function_exists('assertType')) {
+			assertType("'1'|null", $row['val']);
+		}
+
+		$row = $db->execute_query('SELECT ? val', [null])->fetch_assoc();
+
+		if (function_exists('assertType')) {
+			assertType("null", $row['val']);
+		}
+
+		$this->expectNotToPerformAssertions();
+	}
+}
diff --git a/tests/PHPStan/Type/MySQLi/data/MySQLiTypeInferenceDataTest.php b/tests/PHPStan/Type/MySQLi/data/MySQLiTypeInferenceDataTest.php
index 81a3306..ce1d3cc 100644
--- a/tests/PHPStan/Type/MySQLi/data/MySQLiTypeInferenceDataTest.php
+++ b/tests/PHPStan/Type/MySQLi/data/MySQLiTypeInferenceDataTest.php
@@ -22,12 +22,10 @@
 use function in_array;
 use function is_string;
 use function PHPStan\Testing\assertType;
-use function rand;
 
 use const MYSQLI_ASSOC;
 use const MYSQLI_BOTH;
 use const MYSQLI_NUM;
-use const PHP_VERSION_ID;
 
 class MySQLiTypeInferenceDataTest extends TestCase
 {
@@ -1042,69 +1040,6 @@ public function testTypeOverrides(): void
 		}
 	}
 
-	public function testExecuteQuery(): void
-	{
-		if (PHP_VERSION_ID < 80200) {
-			$this->markTestSkipped('This test needs PHP 8.2');
-		}
-
-		$db = TestCaseHelper::getDefaultSharedConnection();
-
-		$rows = $db->execute_query('SELECT id FROM mysqli_test', [])->fetch_all(MYSQLI_ASSOC);
-
-		foreach ($rows as $row) {
-			if (function_exists('assertType')) {
-				assertType('int', $row['id']);
-				assertType('*ERROR*', $row[0]);
-			}
-
-			$this->assertSame(['id'], array_keys($row));
-			$this->assertIsInt($row['id']);
-		}
-
-		$rows = $db->execute_query('SELECT id FROM mysqli_test WHERE id = ?', [1])->fetch_all(MYSQLI_ASSOC);
-
-		foreach ($rows as $row) {
-			if (function_exists('assertType')) {
-				assertType('int', $row['id']);
-				assertType('*ERROR*', $row[0]);
-			}
-
-			$this->assertSame(['id'], array_keys($row));
-			$this->assertIsInt($row['id']);
-		}
-	}
-
-	// This is not executed.
-	public function checkExecuteQueryPlaceholderTypeProvider(mysqli $db): void
-	{
-		$row = $db->execute_query('SELECT ? val', [rand() ? 1 : 2])->fetch_assoc();
-
-		if (function_exists('assertType')) {
-			assertType("'1'|'2'", $row['val']);
-		}
-
-		$row = $db->execute_query('SELECT ? val', rand() ? [1] : ['a'])->fetch_assoc();
-
-		if (function_exists('assertType')) {
-			assertType("'1'|'a'", $row['val']);
-		}
-
-		$row = $db->execute_query('SELECT ? val', rand() ? [1] : [null])->fetch_assoc();
-
-		if (function_exists('assertType')) {
-			assertType("'1'|null", $row['val']);
-		}
-
-		$row = $db->execute_query('SELECT ? val', [null])->fetch_assoc();
-
-		if (function_exists('assertType')) {
-			assertType("null", $row['val']);
-		}
-
-		$this->expectNotToPerformAssertions();
-	}
-
 	/** @param string|array<string> $allowedTypes */
 	private function assertGettype(string|array $allowedTypes, mixed $value): void
 	{