Setup Espresso environment

build.gradle

@@ -41,7 +41,7 @@ dependencies {
     compile "com.android.support:appcompat-v7:${supportLibraryVersion}"
     compile 'com.getbase:floatingactionbutton:1.10.1'
 
-    
+
     /// dependencies for local unit tests
     testCompile 'junit:junit:4.12'
     testCompile 'org.mockito:mockito-core:1.10.19'
@@ -121,4 +121,4 @@ android {
         exclude 'META-INF/LICENSE.txt'
     }
 
-}
+}