What is the method to wait for the following @Composable function in Jetpack Compose testing?

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To wait for a @Composable function in Jetpack Compose testing, you can use the awaitIdle method provided by the androidx.compose.ui.test.SemanticsNodeInteraction class. This method waits until the UI is idle before continuing with the test execution.

You can use it like this:

@Test
fun testMyComposable() {
    val myComposable = MyComposable()

    onNodeWithTag("myComposable").assertExists()
    // Wait for the UI to become idle before continuing
    onRoot().awaitIdle()

    // Perform further assertions or interactions with the UI
}

In this example, MyComposable is the @Composable function being tested. We first check that a certain node with tag "myComposable" exists in the UI. We then wait for the UI to become idle using onRoot().awaitIdle(), before performing further assertions or interactions with the UI.