[erome] improve error message for deleted & copyrighted albums (#8665)

test/results/erome.py

@@ -5,6 +5,7 @@
 # published by the Free Software Foundation.
 
 from gallery_dl.extractor import erome
+from gallery_dl import exception
 
 
 __tests__ = (
@@ -38,6 +39,20 @@ __tests__ = (
     "user"    : "yYgWBZw8o8qsMzM",
 },
 
+{
+    "#url"     : "https://www.erome.com/a/qlV5z90y",
+    "#comment" : "deleted album (#8665)",
+    "#class"   : erome.EromeAlbumExtractor,
+    "#exception": exception.AbortExtraction,
+},
+
+{
+    "#url"     : "https://www.erome.com/a/ACGo2Pmy",
+    "#comment" : "copyrighted album (#8665)",
+    "#class"   : erome.EromeAlbumExtractor,
+    "#exception": exception.AbortExtraction,
+},
+
 {
     "#url"     : "https://www.erome.com/yYgWBZw8o8qsMzM",
     "#category": ("", "erome", "user"),