Android UnitTest를 위한 준비

프로젝트별 내용은 상이하지만 대충 방법에 대해 기록하려합니다. 

(작성중)

1. build.gradle 속성 편집

testCompile 'junit:junit:4.12'
// Espresso core
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
androidTestCompile('com.android.support.test:runner:0.5', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
androidTestCompile('com.android.support.test:rules:0.5', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
// Espresso-intents for validation and stubbing of Intents
androidTestCompile('com.android.support.test.espresso:espresso-intents:2.2.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
// Espresso-web for WebView support
androidTestCompile('com.android.support.test.espresso:espresso-web:2.2.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
// Espresso-idling-resource for synchronization with background jobs
androidTestCompile('com.android.support.test.espresso:espresso-idling-resource:2.2.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
// UiAutomator
androidTestCompile('com.android.support.test.uiautomator:uiautomator-v18:2.1.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
})
// Espresso-contrib for DatePicker, RecyclerView, Drawer actions, Accessibility checks, CountingIdlingResource
androidTestCompile('com.android.support.test.espresso:espresso-contrib:2.2.2', {
    exclude group: 'com.android.support', module: 'support-annotations'
    exclude group: 'com.android.support', module: 'appcompat-v7'
    exclude group: 'com.android.support', module: 'support-v4'
    exclude group: 'com.android.support', module: 'recyclerview-v7'
    exclude group: 'com.android.support', module: 'design'
})

해당 내용 추가하여 빌드 관련 라이브러리를 추가합니다.