diff --git a/analysis/tests/unit/test_report.py b/analysis/tests/unit/test_report.py
index ee7518c..c4aa31a 100644
--- a/analysis/tests/unit/test_report.py
+++ b/analysis/tests/unit/test_report.py
@@ -57,6 +57,10 @@ class TimeSpanReportTestCase(BaseTestCase):
         self.oek_old.legal.save()
         self.oek_old.responsible.save()
 
+        self.deduction.account = self.eco_account
+        self.deduction.intervention = self.eiv
+        self.deduction.save()
+
     def test_init(self):
         date_from = now().date() - timedelta(days=365)
         date_to = now().date()
diff --git a/compensation/tests/compensation/test_workflow.py b/compensation/tests/compensation/test_workflow.py
index d14fdab..ee520a5 100644
--- a/compensation/tests/compensation/test_workflow.py
+++ b/compensation/tests/compensation/test_workflow.py
@@ -244,6 +244,7 @@ class CompensationWorkflowTestCase(BaseWorkflowTestCase):
         self.client_user.post(record_url, post_data)
 
         # Check that the intervention is still not recorded
+        self.intervention.refresh_from_db()
         self.assertIsNone(self.intervention.recorded)
 
         # Now fill out the data for a compensation
diff --git a/compensation/tests/ecoaccount/test_workflow.py b/compensation/tests/ecoaccount/test_workflow.py
index 4792120..3bfaffe 100644
--- a/compensation/tests/ecoaccount/test_workflow.py
+++ b/compensation/tests/ecoaccount/test_workflow.py
@@ -106,14 +106,17 @@ class EcoAccountWorkflowTestCase(BaseWorkflowTestCase):
             "surface": test_deductable_surface,
             "conservation_office": test_conservation_office.id
         }
-        self.client_user.post(url, post_data)
+        response = self.client_user.post(url, post_data)
+        self.assertEqual(response.status_code, 302, msg=f"{response.content.decode('utf-8')}")
         self.eco_account.refresh_from_db()
 
+        deductions_surface = self.eco_account.get_deductions_surface()
+
         check_on_elements = {
             self.eco_account.title: new_title,
             self.eco_account.identifier: new_identifier,
             self.eco_account.deductable_surface: test_deductable_surface,
-            self.eco_account.deductable_rest: test_deductable_surface,
+            self.eco_account.deductable_rest: test_deductable_surface - deductions_surface,
             self.eco_account.comment: new_comment,
         }
 
@@ -223,7 +226,9 @@ class EcoAccountWorkflowTestCase(BaseWorkflowTestCase):
         self.eco_account.refresh_from_db()
         self.assertEqual(1, self.eco_account.deductions.count())
         self.assertEqual(1, self.intervention.deductions.count())
-        deduction = self.eco_account.deductions.first()
+        deduction = self.eco_account.deductions.get(
+            surface=test_surface
+        )
         self.assertEqual(deduction.surface, test_surface)
         self.assertEqual(self.eco_account.deductable_rest, self.eco_account.deductable_surface - deduction.surface)
         self.assertEqual(deduction.account, self.eco_account)
diff --git a/intervention/tests/test_workflow.py b/intervention/tests/test_workflow.py
index d44c6d4..4bd61d9 100644
--- a/intervention/tests/test_workflow.py
+++ b/intervention/tests/test_workflow.py
@@ -400,12 +400,13 @@ class InterventionWorkflowTestCase(BaseWorkflowTestCase):
         self.eco_account.share_with_user_list([self.superuser])
         self.eco_account.save()
         num_all_deducs = EcoAccountDeduction.objects.count()
+        num_acc_deducs = self.eco_account.deductions.count()
 
         # Run the request
         self.client_user.post(new_url, post_data)
 
         # Expect the deduction to be created, since all constraints are fulfilled
-        self.assertEqual(1, self.eco_account.deductions.count())
+        self.assertEqual(num_acc_deducs + 1, self.eco_account.deductions.count())
         self.assertEqual(num_all_deducs + 1, EcoAccountDeduction.objects.count())
 
         # Make sure the deduction contains the expected data
diff --git a/konova/tests/test_views.py b/konova/tests/test_views.py
index 608336f..baeebdd 100644
--- a/konova/tests/test_views.py
+++ b/konova/tests/test_views.py
@@ -65,7 +65,7 @@ class BaseTestCase(TestCase):
         self.compensation = self.create_dummy_compensation()
         self.eco_account = self.create_dummy_eco_account()
         self.ema = self.create_dummy_ema()
-        self.deduction = self.create_dummy_deduction(acc=self.eco_account, interv=self.intervention)
+        self.deduction = self.create_dummy_deduction()
         self.create_dummy_states()
         self.create_dummy_action()
         self.codes = self.create_dummy_codes()