diff --git a/src/Command/ProjectCommands.php b/src/Command/ProjectCommands.php
index c811863..1d1ba70 100644
--- a/src/Command/ProjectCommands.php
+++ b/src/Command/ProjectCommands.php
@@ -47,7 +47,7 @@ public function projectTestCypress(array $args)
 
         // Clean up environment.
         $this->deleteTestUsers();
-        
+
         return $result;
     }
 
@@ -99,6 +99,14 @@ protected function installNpmDependencies(): void
         if ($result->getExitCode() !== 0) {
             throw new \RuntimeException('Failed to install test dependencies');
         }
+
+        $this->io()->say('Verifying Cypress...');
+        $verify = $this->taskExec('CYPRESS_baseUrl="http://$DKTL_PROXY_DOMAIN" npx cypress verify')
+            ->dir(self::TESTS_DIR)
+            ->run();
+        if ($verify && $verify->getExitCode() !== 0) {
+            throw new \RuntimeException('Failed to verify cypress');
+        }
     }
 
     /**