docs: fix parallelism and sharding references (#31134)

docs/src/test-configuration-js.md

@@ -59,14 +59,14 @@ export default defineConfig({
 | Option | Description |
 | :- | :- |
 | [`property: TestConfig.forbidOnly`] | Whether to exit with an error if any tests are marked as `test.only`. Useful on CI.|
-| [`property: TestConfig.fullyParallel`] | have all tests in all files to run in parallel. See [/Parallelism and sharding](./test-parallel) for more details. |
+| [`property: TestConfig.fullyParallel`] | have all tests in all files to run in parallel. See [Parallelism](./test-parallel) and [Sharding](./test-sharding) for more details. |
 | [`property: TestConfig.projects`] | Run tests in multiple configurations or on multiple browsers |
 | [`property: TestConfig.reporter`] | Reporter to use. See [Test Reporters](/test-reporters.md) to learn more about which reporters are available. |
 | [`property: TestConfig.retries`] | The maximum number of retry attempts per test. See [Test Retries](/test-retries.md) to learn more about retries.|
 | [`property: TestConfig.testDir`] | Directory with the test files. |
 | [`property: TestConfig.use`]  | Options with `use{}` |
 | [`property: TestConfig.webServer`] | To launch a server during the tests, use the `webServer` option |
-| [`property: TestConfig.workers`] | The maximum number of concurrent worker processes to use for parallelizing tests. Can also be set as percentage of logical CPU cores, e.g. `'50%'.`. See [/Parallelism and sharding](./test-parallel) for more details. |
+| [`property: TestConfig.workers`] | The maximum number of concurrent worker processes to use for parallelizing tests. Can also be set as percentage of logical CPU cores, e.g. `'50%'.`. See [Parallelism](./test-parallel) and [Sharding](./test-sharding) for more details. |
 
 ## Filtering Tests