A rule to disable animations and all that other stuff you're supposed to do before running integration tests on a device. You will need this import among others. androidTestImplementation "androidx.test.uiautomator:uiautomator:2.2.0" the idea of it was taken from the book Android Espresso Revealed: Writing Automated Unit Tests by Denys Zelenchuk…

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          xmlns:tools="http://schemas.android.com/tools"
          package="${applicationId}">
    <uses-sdk tools:overrideLibrary="android_libs.ub_uiautomator"/>
</manifest>

AnimationDisablerRule.kt

package com.aniketkadam.tryoutstuff

import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.uiautomator.UiDevice
import org.junit.rules.TestRule
import org.junit.runner.Description
import org.junit.runners.model.Statement

class AnimationDisablerRule : TestRule {

    private val commandsToSetUpTestEnvironment = listOf(
        "settings put global transition_animation_scale 0.0",
        "settings put global animator_duration_scale 0.0",
        "settings put global window_animation_scale 0.0",
        "settings put secure long_press_timeout 1500",
        "settings put secure show_ime_with_hard_keyboard 0"
    )

    private fun setDevicePreferences(commands : List<String>) {

        with(UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())){
            commands.forEach {
                executeShellCommand(it)
            }
        }
    }

    override fun apply(base: Statement?, description: Description?): Statement {
        return object : Statement() {
            override fun evaluate() {
                setDevicePreferences(commandsToSetUpTestEnvironment)
                base?.evaluate()
            }

        }
    }
}