Complete Android parity and security audit (#111)

android/app/src/androidTest/kotlin/de/rfc1437/ironstorage/TotpScreenTest.kt

@@ -86,10 +86,10 @@ class TotpScreenTest {
         compose.onNodeWithText("Unlock").performClick()
         compose.waitUntil(5000) { fixture.ticks > 0 }
         compose.onNodeWithText("Back to TOTP entries").performClick()
-        val stopped = fixture.ticks
+        compose.onNodeWithTag("otp-code").assertDoesNotExist()
+        val stopped = compose.runOnIdle { fixture.ticks }
         Thread.sleep(1200)
-        compose.waitForIdle()
-        assertEquals(stopped, fixture.ticks)
+        compose.runOnIdle { assertEquals(stopped, fixture.ticks) }
     }
 
     @Test fun largeTextShowsEveryDigitWithoutClipping() {