#86 Edit deductions

* adds support for editing deductions
* adds tests
* improves major base test logic

api/tests/v1/share/test_api_sharing.py

@@ -12,15 +12,17 @@ class BaseAPIV1TestCase(BaseTestCase):
     def setUpTestData(cls):
         super().setUpTestData()
 
-        cls.superuser.get_API_token()
-        cls.superuser.api_token.is_active = True
-        cls.superuser.api_token.save()
-        default_group = cls.groups.get(name=DEFAULT_GROUP)
-        cls.superuser.groups.add(default_group)
+    def setUp(self) -> None:
+        super().setUp()
+        self.superuser.get_API_token()
+        self.superuser.api_token.is_active = True
+        self.superuser.api_token.save()
+        default_group = self.groups.get(name=DEFAULT_GROUP)
+        self.superuser.groups.add(default_group)
 
-        cls.header_data = {
-            "HTTP_ksptoken": cls.superuser.api_token.token,
-            "HTTP_kspuser": cls.superuser.username,
+        self.header_data = {
+            "HTTP_ksptoken": self.superuser.api_token.token,
+            "HTTP_kspuser": self.superuser.username,
         }