grafana/contribute/style-guides/e2e-plugins.md

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# End-to-End Tests for plugins
Be sure that you've read the [generalized E2E document](e2e.md).
## Commands
- `yarn test:e2e` will run [Grafana's E2E utility](../../packages/grafana-e2e) against an already running Grafana server.
- `yarn test:e2e:update` will run `test:e2e` but instead of asserting that screenshots match their expected fixtures, they'll be replaced with new ones.
Your running Grafana instance can be targeted by setting the `CYPRESS_BASE_URL`, `CYPRESS_USERNAME` and `CYPRESS_PASSWORD` environment variableS:
```shell
CYPRESS_BASE_URL=https://localhost:3000 CYPRESS_USERNAME=admin CYPRESS_PASSWORD=admin yarn test:e2e
```
## Test suites
All tests are located at _\<repo-root>/cypress/integration_ by default.
## Things to test
- Add data source (if applicable)
- Add panel
- Edit panel
- Annotations (if applicable)
- Aliases (if applicable)
- Template variables
- "Explore" view