Update app/build.gradle

app/build.gradle

@@ -103,6 +103,11 @@ android {
         release {
             manifest.srcFile 'src/release/AndroidManifest.xml'
         }
+
+        test {
+            test.java.srcDirs += 'src/test/kotlin'
+            androidTest.java.srcDirs += 'src/androidTest/kotlin'
+        }
     }
 }
 
@@ -136,6 +141,8 @@ dependencies {
     compile 'com.android.support:multidex:1.0.1'
 
     compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$rootProject.ext.kotlinVersion"
+    testCompile "org.jetbrains.kotlin:kotlin-test:$rootProject.ext.kotlinVersion"
+    testCompile "org.jetbrains.kotlin:kotlin-test-junit:$rootProject.ext.kotlinVersion"
 
     compile "com.google.firebase:firebase-core:$playLibVersion"
     compile "com.google.firebase:firebase-crash:$playLibVersion"