UberSdk { public static SessionConfiguration getDefaultSessionConfiguration() { validateInstance(); return defaultSessionConfiguration; } private  UberSdk(); synchronized static void initialize(@NonNull SessionConfiguration defaultSessionConfiguration); static SessionConfiguration getDefaultSessionConfiguration(); static boolean isInitialized(); static final String UBER_SDK_LOG_TAG; }
@Test(expected = NullPointerException.class) public void getDefaultSessionConfiguration_whenNotInitialized_shouldThrowException() { UberSdk.getDefaultSessionConfiguration(); }