MouseInjectionScope

mouseInputClick

fun mouseInputClick() {
    composeTestRule.onNodeWithTag("myComponent").performMouseInput {
        // Click in the middle of the node
        click(center)
    }
}

mouseInputScrollWhileDown

fun mouseInputScrollWhileDown() {
    composeTestRule
        .onNodeWithTag("verticalScrollable")
        // Scroll downwards while keeping a button pressed:
        .performMouseInput {
            // Presses the primary mouse button
            press()
            // Scroll the scroll wheel by 6 units
            repeat(6) {
                advanceEventTime()
                scroll(1f)
            }
            // And release the mouse button
            advanceEventTime()
            release()
        }
}