title: ERROR: Failed to resolve: espresso-core and ERROR: Failed to resolve: runner
body: <p>I'm going to build a project. When I create the project, I encounter the following error</p>
  
  <pre><code>ERROR: Failed to resolve: espresso-core
  Affected Modules: mvp-app
  
  
  ERROR: Failed to resolve: runner
  Affected Modules: mvp-app
  </code></pre>
  
  <p>and my build.gradle(module) file  </p>
  
  <pre><code>apply plugin: 'com.android.application'
  
  android {
      compileSdkVersion 28
      defaultConfig {
          applicationId "ir.sabmanage.mvp"
          minSdkVersion 16
          targetSdkVersion 28
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      implementation fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:28.0.0'
      implementation 'com.android.support.constraint:constraint-layout:1.1.3'
      implementation 'com.android.support:design:28.0.0'
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'com.android.support.test:runner:1.0.2'
      androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
  
      implementation 'com.android.support:exifinterface:28.0.0'
      implementation 'com.ss.bottomnavigation:bottomnavigation:1.5.2'
      implementation 'com.squareup.retrofit2:retrofit:2.4.0'
      implementation 'com.squareup.retrofit2:converter-gson:2.1.0'
      implementation 'com.squareup.okhttp3:okhttp:3.10.0'
      implementation 'com.squareup.picasso:picasso:2.71828'
      implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
      implementation 'io.reactivex.rxjava2:rxjava:2.1.14'
      implementation 'com.squareup.retrofit2:adapter-rxjava2:2.4.0'
  }
  </code></pre>
  
  <p>and my build.gradle(project) file</p>
  
  <pre><code>// Top-level build file where you can add configuration options common to all sub-projects/modules.
  
  buildscript {
      repositories {
          google()
          jcenter()
          mavenCentral()
  
      }
      dependencies {
          classpath 'com.android.tools.build:gradle:3.4.0'
  
          // NOTE: Do not place your application dependencies here; they belong
          // in the individual module build.gradle files
      }
  }
  
  allprojects {
      repositories {
          mavenCentral()
          maven { url 'https://maven.google.com' }
          google()
          jcenter()
          maven { url 'https://jitpack.io' }
  
      }
  }
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  </code></pre>
  
  <p>How to fix this error? Has anyone faced this problem?
  I found a solution but it did not answer me
   <a href="https://stackoverflow.com/q/50899118/8748900">android studio failed to resolve: runner and failed to resolve: espresso-core and failed to resolve: monitor</a> </p>