### Question:
AndroidContextUtil { public String getPackageName() { return this.context != null ? this.context.getPackageName() : ""; } AndroidContextUtil();  AndroidContextUtil(ContextWrapper contextWrapper); void setupProperties(LoggerContext context); String getMountedExternalStorageDirectoryPath(); @TargetApi(8) @SuppressWarnings("deprecation") String getExternalStorageDirectoryPath(); @TargetApi(8) String getExternalFilesDirectoryPath(); String getCacheDirectoryPath(); String getExternalCacheDirectoryPath(); String getPackageName(); String getFilesDirectoryPath(); @TargetApi(21) String getNoBackupFilesDirectoryPath(); String getDatabaseDirectoryPath(); String getDatabasePath(String databaseName); String getVersionCode(); String getVersionName();  }### Answer:
@Test public void getPackageName() { assertThat(contextUtil.getPackageName(), is("com.github.tony19.logback.android")); }