# ITest
<span class="source-link">[[Source]](src/pony_test/i_test.md#L-0-1)</span>

Interface for a test that can be run.


```pony
interface ref ITest
```

## Public Functions

### apply
<span class="source-link">[[Source]](src/pony_test/i_test.md#L-0-5)</span>


Runs the test.


```pony
fun box apply()
: None val ?
```

#### Returns

* [None](builtin-None.md) val ?

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