مشکل در implementation اندروید استودیو

با سلام خدمت اساتید هنگام implementation با خطاهای زیر مواجه میشم برای رفع مشک چکار باید انجام دهم

Failed to resolve: espresso-core-3.2.0

Failed to resolve: monitor-1.2.0

Failed to resolve: espresso-idling-resource-3.2.0

Failed to resolve: constraintlayout-solver-1.1.3

Failed to resolve: constraintlayout-1.1.3

Failed to resolve: core-1.2.0

Failed to resolve: junit-1.1.1

Failed to resolve: runner-1.2.0

//Retrofit
implementation 'com.squareup.retrofit2:adapter-rxjava2:2.9.0'
implementation 'com.squareup.retrofit2:converter-scalars:2.3.0'

//Rxjava
implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
implementation 'io.reactivex.rxjava2:rxjava:2.1.7'

//Material Edit Text
implementation 'com.rengwuxian.materialedittext:library:2.1.4'

//Material Styled Diolog
implementation 'com.github.javiersantos:MaterialStyledDialogs:2.1'