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kotlinlang

I am trying to test periodic caller:
```
@JsName("numberOfCallsInTimeTest")
fun `Periodic caller for 50ms is called around 20 times in 1 second`() {
    val caller = PeriodicCaller.PeriodicCallerImpl()
    var count = 0
    runBlocking {
        val job = caller.start(50) { count++ }
        delay(1000)
        job.cancel()
    }
    assertTrue(count in 17..23)
}
```
This test works well on JVM, but on JS it throws 
```
stack: IllegalStateException: JS thread cannot be blocked, runBlocking { ... } cannot be waiting for its completion with timeout
```