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You mean use `runBlocking` in test function to wrap my original code which uses `launch(CommPool)` ?

dmytrodanylyk: Replace `launch(CommonPool)` in your test code with `runBlocking`:
```
@Test
fun myTest() = runBlocking { 
   // I can use suspending functions here!
}
```
There are lots of worked out examples in the guide: <https://github.com/Kotlin/kotlinx.coroutines/blob/master/coroutines-guide.md#bridging-blocking-and-non-blocking-worlds>

java.lang.Exception: Method myTest() should be void

Alternatively, you can do `runBlocking&lt;Unit&gt;`

Any idea how I can test following function:
```
fun sendFeedback(message: String) = launch(MainThread) {
        val request = asyncSendFeedback(message)
        val response = request.await()
}
```

Yep, but in `sendFeedback` after I got `response` I have a lot more logic, so would be cool if I could write test for `sendFeedback`

Then I’d recommend to replace the line 
```
fun sendFeedback(message: String) = launch(MainThread) { 
```
with 
```
suspend fun sendFeedback(message: String) { 
```
This way it becomes a suspending function that is easy to use whenever you need and to test, too