Correct copyright tests

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

tests/cluecode/data/copyrights/misco4/linux9/complex-html.txt

@@ -0,0 +1,2 @@
+ Copyright (c) 2001 <span class="firstname">Karl</span> <span class="surname">Garrison</span>
+<code class="email">(karl AT indy.rr.com)</code>

tests/cluecode/data/copyrights/misco4/linux9/complex-html.txt.yml

@@ -0,0 +1,8 @@
+what:
+  - copyrights
+  - holders
+  - authors
+copyrights:
+  - Copyright (c) 2001 Karl Garrison (karl AT indy.rr.com)
+holders:
+  - Karl Garrison

tests/cluecode/data/copyrights/misco4/linux9/karl-at.txt

@@ -0,0 +1 @@
+Copyright (c) 2001 Karl Garrison (karl AT indy.rr.com)

tests/cluecode/data/copyrights/misco4/linux9/karl-at.txt.yml

@@ -0,0 +1,8 @@
+what:
+  - copyrights
+  - holders
+  - authors
+copyrights:
+  - Copyright (c) 2001 Karl Garrison (karl AT indy.rr.com)
+holders:
+  - Karl Garrison

tests/cluecode/data/plugin_filter_clues/filtered-expected3.json

@@ -72,13 +72,7 @@
       "percentage_of_license_text": 100.0,
       "copyrights": [],
       "holders": [],
-      "authors": [
-        {
-          "author": "Philip Hazel <ph10@cam.ac.uk> University of Cambridge Computing Service, Cambridge, England",
-          "start_line": 8,
-          "end_line": 9
-        }
-      ],
+      "authors": [],
       "emails": [],
       "urls": [],
       "files_count": 0,