Use local feedserver to test the logo/favicon logic

tests/command/feeds.bats

@@ -39,16 +39,17 @@ teardown() {
   assert_output --partial "Something-${BATS_SUITE_TEST_NUMBER}"
 }
 
+# Test if Feed-Logo is used if available (NC_FEED) and if favicon is used if no logo is provided (HEISE_FEED)
 @test "[$TESTSUITE] Favicon" {
 
-  ./occ news:feed:add "$user" "https://nextcloud.com/blog/static-feed/" --title "Something-${BATS_SUITE_TEST_NUMBER}"
-  ./occ news:feed:add "$user" "https://www.heise.de/rss/heise-atom.xml" --title "Something-${BATS_SUITE_TEST_NUMBER}"
+  ./occ news:feed:add "$user" "$NC_FEED" --title "Something-${BATS_SUITE_TEST_NUMBER}"
+  ./occ news:feed:add "$user" "$HEISE_FEED" --title "Something-${BATS_SUITE_TEST_NUMBER}"
 
   run ./occ news:feed:list "$user"
   assert_success
 
-  assert_output --partial '"faviconLink": "https:\/\/nextcloud.com\/c\/uploads\/2022\/03\/favicon.png",'
-  assert_output --partial  '"faviconLink": "https:\/\/www.heise.de\/favicon.ico?v='
+  assert_output --partial '"faviconLink": "http:\/\/localhost:8090\/logo.png",'
+  assert_output --partial  '"faviconLink": "http:\/\/localhost:8090\/favicon.ico'
 }
 
 @test "[$TESTSUITE] List all items" {

tests/test_helper/feeds/Nextcloud.rss

@@ -21,9 +21,9 @@
 	<generator>https://wordpress.org/?v=6.0.1</generator>
 
 <image>
-	<url>https://nextcloud.com/wp-content/uploads/2022/03/favicon.png</url>
+	<url>http://localhost:8090/logo.png</url>
 	<title>Nextcloud</title>
-	<link>https://nextcloud.com/</link>
+	<link>http://localhost:8090</link>
 	<width>32</width>
 	<height>32</height>
 </image> 

tests/test_helper/feeds/heise.xml

@@ -8,7 +8,7 @@
     </author>
 
     <link rel="self" type="application/atom+xml" href="http://localhost:8090/heise.xml"/>
-    <link rel="alternate" type="text/html" href="https://www.heise.de/"/>
+    <link rel="alternate" type="text/html" href="http://localhost:8090"/>
     <rights>Copyright (c) 2022 Heise Medien</rights>
 
     <entry>