[imgadult] add 'image' extractor (#7893)

test/results/imgadult.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+from gallery_dl.extractor import imagehosts
+
+
+__tests__ = (
+{
+    "#url"     : "https://imgadult.com/img-686b4f451af05.html",
+    "#class"   : imagehosts.ImgadultImageExtractor,
+    "#results"      : "https://imgadult.com/upload/big/2025/07/07/686b4f451af04.jpg",
+    "#sha1_content" : "6df0034ce96ad2347926037abe2dd0085ebc8d66",
+
+    "extension": "jpg",
+    "filename" : "1612",
+    "token"    : "686b4f451af05",
+},
+
+)