diff --git a/ojusomap/tests.py b/ojusomap/tests.py
index e28f016..ab04ce9 100644
--- a/ojusomap/tests.py
+++ b/ojusomap/tests.py
@@ -111,7 +111,7 @@ class MapTest(SeleniumTest):
         # click submit without filling in any fields
         self.sl.find_element_by_id("submit-id-submit").click()
         error_message = self.sl.find_element_by_class_name("has-error")
-        self.assertTrue(error_message.is_displayed())
+        assert error_message.is_displayed() is True
 
     def test_short_form_will_submit(self):
         self._open("/en-gb/case-study/create/short")
@@ -144,9 +144,9 @@ class MapTest(SeleniumTest):
         )
         # you can submit the form on any field. Using this one because the submit button sometimes isn't visible
         self.sl.find_element_by_id("id_area_of_land").submit()
-        self.assertTrue("Thanks!" in self.sl.page_source, "Success message not shown")
+        assert "Thanks!" in self.sl.page_source, "Success message not shown"
         self._open("/admin/map/casestudy/")
-        self.assertTrue("Short Entry" in self.sl.page_source, "Case study not saved")
+        assert "Short Entry" in self.sl.page_source, "Case study not saved"
 
     def test_long_form_will_submit(self):
         self._open("/en-gb/case-study/create/long")
@@ -188,9 +188,9 @@ class MapTest(SeleniumTest):
         self.sl.find_element_by_css_selector('a[href="#uploads"]').click()
         # you can submit the form on any field. Using this one because the submit button sometimes isn't visible
         self.sl.find_element_by_id("id_name_of_territory_or_area").submit()
-        self.assertTrue("Thanks!" in self.sl.page_source, "Success message not shown")
+        assert "Thanks!" in self.sl.page_source, "Success message not shown"
         self._open("/admin/map/casestudy/")
-        self.assertTrue("Long Entry" in self.sl.page_source, "Case study not saved")
+        assert "Long Entry" in self.sl.page_source, "Case study not saved"
 
     def test_map(self):
         self._open("/")
@@ -212,8 +212,8 @@ class MapTest(SeleniumTest):
         details_link = self.sl.find_element_by_css_selector(
             ".leaflet-popup-content a.btn"
         )
-        self.assertTrue(details_link.is_displayed())
+        assert details_link.is_displayed() is True
 
         details_link.click()
 
-        self.assertTrue(self.sl.current_url.endswith("case-study/test"))
+        assert self.sl.current_url.endswith("case-study/test") is True