update broken tests

Author: adamint

src/commonTest/kotlin/com.adamratzman/spotify/priv/ClientPlaylistApiTest.kt

@@ -127,7 +127,7 @@ class ClientPlaylistApiTest : AbstractTest<SpotifyClientApi>() {
 
                 api!!.playlists.uploadClientPlaylistCover(
                     createdPlaylist!!.id,
-                    imageUrl = "http://www.personal.psu.edu/kbl5192/jpg.jpg"
+                    imageUrl = "https://upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Cat03.jpg/240px-Cat03.jpg"
                 )
 
                 var updatedPlaylist = api!!.playlists.getClientPlaylist(createdPlaylist!!.id)!!

src/commonTest/kotlin/com.adamratzman/spotify/pub/BrowseApiTest.kt

@@ -47,10 +47,11 @@ class BrowseApiTest : AbstractTest<GenericSpotifyApi>() {
         return runBlockingTest {
             super.build<GenericSpotifyApi>()
             if (!testPrereq()) return@runBlockingTest else api!!
-            assertNotNull(api!!.browse.getCategory("pop"))
-            assertNotNull(api!!.browse.getCategory("pop", Market.FR))
-            assertNotNull(api!!.browse.getCategory("pop", Market.FR, locale = Locale.en_US))
-            assertNotNull(api!!.browse.getCategory("pop", Market.FR, locale = Locale.sr_ME))
+            val firstCategoryId = api!!.browse.getCategoryList(limit = 1, market = Market.FR).first()!!.id
+            assertNotNull(api!!.browse.getCategory(firstCategoryId))
+            assertNotNull(api!!.browse.getCategory(firstCategoryId, Market.FR))
+            assertNotNull(api!!.browse.getCategory(firstCategoryId, Market.FR, locale = Locale.en_US))
+            assertNotNull(api!!.browse.getCategory(firstCategoryId, Market.FR, locale = Locale.sr_ME))
             assertFailsWith<SpotifyException.BadRequestException> { api!!.browse.getCategory("no u", Market.US) }
         }
     }
@@ -66,7 +67,7 @@ class BrowseApiTest : AbstractTest<GenericSpotifyApi>() {
                     limit = 4
                 )
             }
-            assertTrue(api!!.browse.getPlaylistsForCategory("pop", 10, 0, Market.FR).items.isNotEmpty())
+            assertTrue(api!!.browse.getPlaylistsForCategory(api!!.browse.getCategoryList(limit = 1).first()!!.id, 10, 0, Market.FR).items.isNotEmpty())
         }
     }