diff --git a/tests/functional/DependencyCheckTest.php b/tests/functional/DependencyCheckTest.php
index 8c1c5ac93e..da7103e43b 100644
--- a/tests/functional/DependencyCheckTest.php
+++ b/tests/functional/DependencyCheckTest.php
@@ -121,6 +121,11 @@ class DependencyCheckTest extends TestCase
 		self::assertInstanceOf(Database::class, $database);
 		self::assertContains($database->getDriver(), [Database::PDO, Database::MYSQLI], 'The driver returns an unexpected value');
 		self::assertNotNull($database->getConnection(), 'There is no database connection');
+
+		$result = $database->p("SELECT 1");
+		self::assertEquals($database->errorMessage(), '', 'There had been a database error message');
+		self::assertEquals($database->errorNo(), 0, 'There had been a database error number');
+
 		self::assertTrue($database->connected(), 'The database is not connected');
 	}