Merge "Fix FlingOnBackAnimationCallbackTest flake" into main

        callback.onBackProgressed(backEventOf(0.6f, 32))

        assertTrue("Assert onBackProgressedCompat called", callback.backProgressedCalled)

        assertEquals("Assert interpolated progress", 0.6f, callback.progressEvent?.progress)

        getInstrumentation().runOnMainSync { callback.onBackInvoked() }

        // Assert that onBackInvoked is not called immediately...

        getInstrumentation().runOnMainSync {

            callback.onBackInvoked()

            // Assert that onBackInvoked is not called immediately.

            assertFalse(callback.backInvokedCalled)

        }

        // Instead the fling animation is played and eventually onBackInvoked is called.

        callback.backInvokedLatch.await(1000, TimeUnit.MILLISECONDS)

        assertTrue(callback.backInvokedCalled)