Use mockito-core not -all.

build.gradle

@@ -42,7 +42,7 @@ subprojects {
         compile group: 'com.squareup.dagger', name: 'dagger-compiler', version: '1.2.1'
 
         testCompile group: 'junit', name: 'junit', version: '4.12'
-        testCompile group: 'org.mockito', name: 'mockito-all', version: '1.10.17'
+        testCompile group: 'org.mockito', name: 'mockito-core', version: '1.10.17'
 
         pmd group: 'net.sourceforge.pmd', name: 'pmd-core', version: '5.2.3'
         pmd group: 'net.sourceforge.pmd', name: 'pmd-java', version: '5.2.3'