Cannot Change Strategy Of Configuration ':testcompile' After It Has Been Resolved

when I upgraded my google-services version to 4.1.0 and gms:play-services-maps:16.0.0 getting below error during building the project. A problem occurred evaluating root project ':

Solution 1:

Moving plugin declaration to the top solved for me. I got the error when I tried to add

androidExtensions {
    experimental = true
}