title: Error While creating new project with android studio 3.0.1
body: <p>Error:Execution failed for task ':app:preDebugAndroidTestBuild'.</p>
  
  <blockquote>
    <p>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 <a href="https://d.android.com/r/tools/test-apk-dependency-conflicts.html" rel="nofollow noreferrer">https://d.android.com/r/tools/test-apk-dependency-conflicts.html</a> for details.</p>
  </blockquote>
  
  <p><strong>Edit: Following is taken from the comments</strong></p>
  
  <p>Following are my dependencies:</p>
  
  <pre><code>dependencies { 
      implementation fileTree(dir: 'libs', include: ['*.jar']) 
      implementation 'com.android.support:appcompat-v7:26.1.0' 
      implementation 'com.android.support.constraint:constraint-layout:1.1.0' 
      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' 
      androidTestImplementation 'com.android.support:support-annotations:27.1.1' 
  }
  </code></pre>