Add: Remote link

Author: IncandescentChrysalis

tests/responses/jira/rest/api/2/issue/FOO-123/remotelink/POST

@@ -0,0 +1,7 @@
+responses[
+    '{"object": {"url": "https://confluence.atlassian-python.atlassian.net/display/Test", "title": "Unused link text", "status": {"resolved": false}}}'
+] = {
+    "id": 10000,
+    "self": "https://atlassian-python.atlassian.net/rest/api/2/issue/FOO-123/remotelink/10000",
+    "application": {},
+}

tests/test_jira.py

@@ -92,3 +92,16 @@ def test_delete_issue_property_not_found(self):
             self.jira.get_issue_property("FOO-123", "NotFoundBar1")
         with self.assertRaises(HTTPError):
             self.jira.get_issue_property("FOONotFound-123", "NotFoundBar1")
+
+    def test_post_issue_remotelink(self):
+        """Create a new remote link"""
+        resp = self.jira.create_or_update_issue_remote_links(
+            "FOO-123",
+            "https://confluence.atlassian-python.atlassian.net/display/Test",
+            "Unused link text",
+        )
+        self.assertEqual(resp["id"], 10000)
+        self.assertEqual(
+            resp["self"], "https://atlassian-python.atlassian.net/rest/api/2/issue/FOO-123/remotelink/10000"
+        )
+        self.assertDictEqual(resp['application'], {})