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kotlinlang

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I understand that `testApplication` is supposed to load `application.conf` by default? At least, according to the docs.

I’m using CIO (not embeddedServer) and it doesn’t seem to be working.

Does not work
```@Test
fun testRoot() = testApplication {
    client.get("/").apply {
        assertEquals(HttpStatusCode.OK, status)
        assertEquals("Hello World!", bodyAsText())
    }
}```
Works
```@Test
fun testRoot() = testApplication {
    environment {
        config = HoconApplicationConfig(ConfigFactory.load())
    }
    client.get("/").apply {
        assertEquals(HttpStatusCode.OK, status)
        assertEquals("Hello World!", bodyAsText())
    }
}```

Since Ktor 3.0.0-beta-2, the configuration in the tests isn't loaded automatically (<https://youtrack.jetbrains.com/issue/KTOR-7043>).