diff --git a/composer.json b/composer.json
index ad4cb07..ad6d053 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
 		"php": "8.1 - 8.3"
 	},
 	"require-dev": {
-		"nette/tester": "^2.0",
+		"nette/tester": "^2.5",
 		"tracy/tracy": "^2.9",
 		"phpstan/phpstan": "^1"
 	},
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 40df5cf..0c8463e 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -12,9 +12,4 @@
 
 // configure environment
 Tester\Environment::setup();
-
-
-function test(string $title, Closure $function)
-{
-	$function();
-}
+Tester\Environment::setupFunctions();