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13 changes: 7 additions & 6 deletions docs/TESTS.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ When you are in the directory for an exercise, you should see two subdirectories
* `Sources/<Exercise>` contains your solution to the exercise
* `Tests/<Exercise>Tests` contains the tests to run for the exercise

If you're in the right directory (i.e. the one containing `Sources` and `Tests`), you can run the tests for that exercise by running `swift test` if you are using 5.4 or later:
If you're in the right directory (i.e. the one containing `Sources` and `Tests`), you can run the tests for that exercise by running `swift test`:

```bash
$ pwd
Expand All @@ -19,16 +19,17 @@ HELP.md Package.swift README.md Sources Tests
$ swift test
```

If you are using `5.1` through `5.3` you may have to add the `--enable-test-discovery` flag:
When you got a test passing remove `.enabled(if: RUNALL)` in the `@Test` statement to enable the next test, alternatively you can run all the tests with the `RUNALL` environment variable set to `true` on Linux or macOS:

```bash
$ swift test --enable-test-discovery
$ export RUNALL=true
```

This will run all of the test files in the `Test` directory.

For concept exercises, when you got a test passing change the `true` in the `XCTSkipIf` to `false` to enable the next test.
Or if you are using PowerShell on Windows:

```powershell
set RUNALL=true
```

## Submitting Your Solution

Expand Down