Error
Error:Execution failed for task ':app:preDebugAndroidTestBuild'. >
Conflict with dependency 'com.android.support:support-annotations' in project ':app'.
Resolved versions for app (26.1.0) and test app (27.1.1) differ.
See https://d.android.com/r/tools/test-apk-dependency-conflicts.html for details.Error:Execution failed for task ':app:p
