Configuring database for data tests (#6313)

## What are you changing in this pull request and why?

Align the docs for `database` for data tests so they match those for
`schema`.

## Checklist
- [x] I have reviewed the [Content style
guide](https://github.com/dbt-labs/docs.getdbt.com/blob/current/contributing/content-style-guide.md)
so my content adheres to these guidelines.

<!-- vercel-deployment-preview -->
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🚀 Deployment available! Here are the direct links to the updated files:


-
https://docs-getdbt-com-git-dbeatty10-patch-1-dbt-labs.vercel.app/reference/resource-configs/database

<!-- end-vercel-deployment-preview -->

website/docs/reference/resource-configs/database.md

@@ -79,22 +79,19 @@ This results in the generated relation being located in the `snapshots` database
 
 <TabItem value="test" label="Tests">
 
-Configure a database in your `dbt_project.yml` file. 
+Customize the database for storing test results in your `dbt_project.yml` file.
 
-For example, to load a test into a database called `reporting` instead of the target database, you can configure it like this:
+For example, to save test results in a specific database, you can configure it like this:
 
 <File name='dbt_project.yml'>
 
 ```yml
 tests:
-  - my_not_null_test:
-      column_name: order_id
-      type: not_null
-      +database: reporting
+  +store_failures: true
+  +database: test_results
 ```
 
-This would result in the generated relation being located in the `reporting` database, so the full relation name would be `reporting.finance.my_not_null_test`.
-
+This would result in the test results being stored in the `test_results` database.
 </File>
 </TabItem>
 </Tabs>