Failed to resolve variable '${animal.sniffer.version}' when migrate to AndroidX

Question

I\'m using Android Studio 3.2 Beta5 to migrate my project to AndroidX. When I rebuild my app I got these errors:

ERROR: [TA

Answer 1

Removing the testInstrumentationRunner worked for me:

defaultConfig {
...
...
//        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }