[webkitbugspy] Implement ability to relate radars (Follow-up)

rdar://120013230
https://bugs.webkit.org/show_bug.cgi?id=266790

Unreviewed follow-up fix.

* Tools/Scripts/libraries/webkitbugspy/webkitbugspy/radar.py:
(Tracker): Include 'clone' relationship.
* Tools/Scripts/libraries/webkitbugspy/webkitbugspy/tests/radar_unittest.py:

Canonical link: https://commits.webkit.org/276575@main

Tools/Scripts/libraries/webkitbugspy/webkitbugspy/radar.py

@@ -71,7 +71,7 @@ class Tracker(GenericTracker):
         TASK
     ]
 
-    RELATIONSHIP_TYPES = ['related-to', 'blocked-by', 'blocking', 'parent-of', 'subtask-of', 'cause-of', 'caused-by', 'duplicate-of', 'original-of']
+    RELATIONSHIP_TYPES = ['related-to', 'blocked-by', 'blocking', 'parent-of', 'subtask-of', 'cause-of', 'caused-by', 'duplicate-of', 'original-of', 'clone-of', 'cloned-to']
 
     ALWAYS = 'Always'
     SOMETIMES = 'Sometimes'

Tools/Scripts/libraries/webkitbugspy/webkitbugspy/tests/radar_unittest.py

@@ -26,7 +26,7 @@
 from webkitbugspy import Issue, Tracker, User, radar, mocks
 from webkitcorepy import mocks as wkmocks, OutputCapture
 
-RELATED_BLANK = {'related-to': [], 'blocked-by': [], 'blocking': [], 'parent-of': [], 'subtask-of': [], 'cause-of': [], 'caused-by': [], 'duplicate-of': [], 'original-of': []}
+RELATED_BLANK = {'related-to': [], 'blocked-by': [], 'blocking': [], 'parent-of': [], 'subtask-of': [], 'cause-of': [], 'caused-by': [], 'duplicate-of': [], 'original-of': [], 'clone-of': [], 'cloned-to': []}
 
 
 class TestRadar(unittest.TestCase):
@@ -473,7 +473,7 @@ def test_relate_simple(self):
 
             self.assertEqual(issue.related, RELATED_BLANK)
             issue.relate(related_to=issue2)
-            self.assertEqual(issue.related, {'related-to': [issue2], 'blocked-by': [], 'blocking': [], 'parent-of': [], 'subtask-of': [], 'cause-of': [], 'caused-by': [], 'duplicate-of': [], 'original-of': []})
+            self.assertEqual(issue.related, {'related-to': [issue2], 'blocked-by': [], 'blocking': [], 'parent-of': [], 'subtask-of': [], 'cause-of': [], 'caused-by': [], 'duplicate-of': [], 'original-of': [], 'clone-of': [], 'cloned-to': []})
 
     def test_relate(self):
         with wkmocks.Environment(RADAR_USERNAME='tcontributor'), mocks.Radar(issues=mocks.ISSUES, projects=mocks.PROJECTS):