What Are Cloud Sandboxes?
Understand the isolated cloud sandboxes that execute TestVibe runs — an isolated sandbox per run, prepared automatically.
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Understand the isolated cloud sandboxes that execute TestVibe runs — an isolated sandbox per run, prepared automatically.
A cloud sandbox is the environment that does the work when you start a run on the default execution target. TestVibe allocates an isolated sandbox for that run, prepares it automatically, executes your Playwright tests inside it, and tears it down afterwards.
You never install, register, or maintain anything — sandboxes are built for running AI-generated code safely, and each run gets its own.
Load your project
The sandbox receives the selected tests and configurations from your project.
Prepare the environment
Browsers and test dependencies are set up automatically.
Run browser tests
Playwright opens your target site and follows the test steps.
Stream live status
Per-scenario and per-step status streams into the app while the run executes.
Upload evidence
Screenshots, videos, traces, console logs, and network details upload to TestVibe's cloud and appear in the Runs section.
Queued
The run is waiting for a sandbox.
Preparing
A sandbox is being allocated and set up.
Running
Tests are executing; live status streams into the app.
Passed / Failed / Cancelled / Error
The run reached a terminal state and its evidence is available.
For how this looks in the app, see Understand live run status.
The cloud sandbox opens your site URL from TestVibe's cloud. Public and staging URLs work without any setup. If the application is private or internal, you have two options that don't change anything else about the run:
Reach it through a tunnel device so the sandbox can dial inside your network, or
Run the tests on a private runner you host inside your firewall instead.
See Choose an execution target to decide which fits.
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