Practice Interactive Story doesn't run

hi, i followed step by step he process indicated in the video to create the app interactive story but when i press the green button (run) i got this message.

No test were found and right next to it the following:

"C:\Program Files\Java\jdk1.8.0_77\bin\java" -ea -Didea.launcher.port=7537 "-Didea.launcher.bin.path=C:\Program Files\Android\Android Studio\bin" -Didea.junit.sm_runner -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Android\Android Studio\lib\idea_rt.jar;C:\Program Files\Android\Android Studio\plugins\junit\lib\junit-rt.jar;C:\Users\Mario\AppData\Local\Android\sdk\platforms\android-23\data\res;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\classes\test\debug;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\classes\debug;C:\Users\Mario.gradle\caches\modules-2\files-2.1\org.hamcrest\hamcrest-core\1.3\42a25dc3219429f0e5d060061f71acb49bf010a0\hamcrest-core-1.3.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\support-v4\23.3.0\res;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\support-v4\23.3.0\jars\libs\internal_impl-23.3.0.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\support-v4\23.3.0\jars\classes.jar;C:\Users\Mario.gradle\caches\modules-2\files-2.1\junit\junit\4.12\2973d150c0dc1fefe998f834810d68f278ea58ec\junit-4.12.jar;C:\Users\Mario\AppData\Local\Android\sdk\extras\android\m2repository\com\android\support\support-annotations\23.3.0\support-annotations-23.3.0.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\support-vector-drawable\23.3.0\jars\classes.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\support-vector-drawable\23.3.0\res;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\animated-vector-drawable\23.3.0\jars\classes.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\animated-vector-drawable\23.3.0\res;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\appcompat-v7\23.3.0\jars\classes.jar;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\exploded-aar\com.android.support\appcompat-v7\23.3.0\res;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\sourceFolderJavaResources\test\debug;C:\Users\Mario\AndroidStudioProjects\InterativeStory\app\build\intermediates\sourceFolderJavaResources\debug;C:\Users\Mario\AndroidStudioProjects\InterativeStory\build\generated\mockable-android-23.jar" com.intellij.rt.execution.application.AppMain com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 @w@C:\Users\Mario\AppData\Local\Temp\idea_working_dirs_junit0.tmp @C:\Users\Mario\AppData\Local\Temp\idea_junit0.tmp -socket49650 0 test classes found in package 'drawable'

Process finished with exit code -1 Empty test suite.

I must say that in the begining i didn't find the template blank application, then i choose empty application instead. Could you tell me if it's the problem o what do i have to do to get the right template " Blank Application " ?

Regards,

Mario Z.