How to detect whether android app is running UI test with Espresso

Question

I am writing some Espresso tests for Android. I am running in the the following problem:

In order for a certain test case to run properly, I need to disable some fea

Answer 1

Building on the answers above the following Kotlin code is equivalent:

val isRunningTest : Boolean by lazy {
    try {
        Class.forName("android.support.test.espresso.Espresso")
        true
    } catch (e: ClassNotFoundException) {
        false
    }
}

You can then check the value of the property:

if (isRunningTest) {
  // Espresso only code
}