add --copyright option in test

Signed-off-by: Alok Kumar <alokkumarjipura9973@gmail.com>

Author: alok1304

tests/licensedcode/data/plugin_license/extra-words/scan-extra-words-3-seq-license.expected.json

@@ -64,6 +64,31 @@
       ],
       "license_clues": [],
       "percentage_of_license_text": 87.24,
+      "copyrights": [
+        {
+          "copyright": "Copyright (c) 2007, 2008, 2009 Mutsuo Saito, Makoto Matsumoto and Hiroshima University",
+          "start_line": 1,
+          "end_line": 2
+        },
+        {
+          "copyright": "Copyright (c) 2011, 2002 Mutsuo Saito, Makoto Matsumoto, Hiroshima University and The University of Tokyo",
+          "start_line": 3,
+          "end_line": 4
+        }
+      ],
+      "holders": [
+        {
+          "holder": "Mutsuo Saito, Makoto Matsumoto and Hiroshima University",
+          "start_line": 1,
+          "end_line": 2
+        },
+        {
+          "holder": "Mutsuo Saito, Makoto Matsumoto, Hiroshima University and The University of Tokyo",
+          "start_line": 3,
+          "end_line": 4
+        }
+      ],
+      "authors": [],
       "scan_errors": []
     }
   ]

tests/licensedcode/data/plugin_license/extra-words/scan-extra-words-3-seq-with-copyrights-license.expected.json

@@ -64,6 +64,21 @@
       ],
       "license_clues": [],
       "percentage_of_license_text": 92.67,
+      "copyrights": [
+        {
+          "copyright": "Copyright (c) 2009-2015, Kevin Decker <kpdecker@gmail.com>",
+          "start_line": 3,
+          "end_line": 3
+        }
+      ],
+      "holders": [
+        {
+          "holder": "Kevin Decker",
+          "start_line": 3,
+          "end_line": 3
+        }
+      ],
+      "authors": [],
       "scan_errors": []
     }
   ]

tests/licensedcode/test_plugin_license_detection.py

@@ -117,6 +117,7 @@ def test_license_match_extra_words_3_seq():
     result_file = test_env.get_temp_file('json')
     args = [
         '--license',
+        '--copyright',
         '--license-text',
         '--license-text-diagnostics',
         '--license-diagnostics',
@@ -135,6 +136,7 @@ def test_license_match_extra_words_3_seq_with_copyrights():
     result_file = test_env.get_temp_file('json')
     args = [
         '--license',
+        '--copyright',
         '--license-text',
         '--license-text-diagnostics',
         '--license-diagnostics',