Is there any way to test New google play referrer api without publishing the app in Google play store?

Question

Recently Google released Google Play Install Referrer API (announcement).

there are various duplicates to this question but no clarity regarding it.

need a exact way of testing this code before publishing.

InstallReferrerClient mReferrerClient

mReferrerClient = InstallReferrerClient.newBuilder(this).build();
mReferrerClient.startConnection(new InstallReferrerStateListener() {
    @Override
    public void onInstallReferrerSetupFinished(int responseCode) {
        switch (responseCode) {
            case InstallReferrerResponse.OK:
                // Connection established
                break;
            case InstallReferrerResponse.FEATURE_NOT_SUPPORTED:
                // API not available on the current Play Store app
                break;
            case InstallReferrerResponse.SERVICE_UNAVAILABLE:
                // Connection could not be established
                break;
        }
    }

    @Override
    public void onInstallReferrerServiceDisconnected() {
        // Try to restart the connection on the next request to
        // Google Play by calling the startConnection() method.
    }
});