Fix some phan issues

* Fix some phan issues.
* Remove unused 'auth' test group.

.phan/baseline.php

@@ -2,8 +2,6 @@
 
 return [
     'file_suppressions' => [
-        'src/ActivityApi.php' => ['PhanUnextractableAnnotation'],
-        'src/BlogsApi.php' => ['PhanUnextractableAnnotation'],
         'src/CamerasApi.php' => ['PhanUnextractableAnnotation'],
         'src/CollectionsApi.php' => ['PhanUnextractableAnnotation'],
         'src/CommonsApi.php' => ['PhanUnextractableAnnotation'],

src/ActivityApi.php

@@ -15,7 +15,7 @@ class ActivityApi extends ApiMethodGroup
      * omitted, it defaults to 10. The maximum allowed value is 50.
      * @param string $page The page of results to return. If this argument is omitted,
      * it defaults to 1.
-     * @return
+     * @return array
      */
     public function userComments($perPage = null, $page = null)
     {
@@ -41,7 +41,7 @@ public function userComments($perPage = null, $page = null)
      * omitted, it defaults to 10. The maximum allowed value is 50.
      * @param string $page The page of results to return. If this argument is omitted,
      * it defaults to 1.
-     * @return
+     * @return array
      */
     public function userPhotos($timeframe = null, $perPage = null, $page = null)
     {

src/BlogsApi.php

@@ -13,7 +13,7 @@ class BlogsApi extends ApiMethodGroup
      * @param string $service Optionally only return blogs for a given service id.  You
      * can get a list of from <a
      * href="/services/api/flickr.blogs.getServices.html">flickr.blogs.getServices()</a>.
-     * @return
+     * @return array
      */
     public function getList($service = null)
     {
@@ -30,7 +30,7 @@ public function getList($service = null)
      *
      * @link https://www.flickr.com/services/api/flickr.blogs.getServices.html
      *
-     * @return
+     * @return array
      */
     public function getServices()
     {
@@ -50,7 +50,7 @@ public function getServices()
      * a blog id you can pass a service id and we'll post to the first blog of that
      * service we find.
      * @param string $blogId The id of the blog to post to.
-     * @return
+     * @return array
      */
     public function postPhoto($photoId, $title, $description, $blogPassword = null, $service = null, $blogId = null)
     {

tests/ApiMethodGroup/PhotosApiTest.php

@@ -23,9 +23,6 @@ protected function getTestPhotoId(PhpFlickr $flickr)
         return $this->testPhotoId;
     }
 
-    /**
-     * @group auth
-     */
     public function testAddTags()
     {
         $flickr = $this->getFlickr(true);