Execute all tests from the command line with Gradle Skip Navigation

Execute all tests from the command line with 

Follow these instructions to build the application, resolve dependencies, run the tests on a connected 
 device, and record the results. This command can be run from a continuous integration system such as Jenkins.
  1. Change the directory to samples/
  2. Run the following command: 
    ./gradlew connectedAppDebugAndroidTest
Test results are written to the following sub-directory: 
You can save test results using a continuous integration system. You can also use a JUnit plug-in to display the test results in a readable form, to send email messages to project members, or to take other common continuous integration actions.
For more information about running tests using the command line, see Android Studio: Test from the command line.