waitUntilNodeCount
Function
Common
@ExperimentalTestApi
fun ComposeUiTest.waitUntilNodeCount(
    matcher: SemanticsMatcher,
    count: Int,
    timeoutMillis: Long = 1_000L,
)
Blocks until the number of nodes matching the given matcher is equal to the given count.
Parameters
| matcher | The matcher that will be used to filter nodes. | 
| count | The number of nodes that are expected to be matched. | 
| timeoutMillis | The time after which this method throws an exception if the number of nodes that match the matcheris notcount. This observes wall clock time, not frame time. | 
