diff --git a/civicrm_tester/base.py b/civicrm_tester/base.py
index f27c3ac..57b26a3 100644
--- a/civicrm_tester/base.py
+++ b/civicrm_tester/base.py
@@ -117,7 +117,7 @@ class BaseTester:
     def _test(self, *args):
         """Placeholder to be overwritten by overloading classes"""
 
-    def _test_all(self, test_strings: tuple[str]):
+    def _test_all(self, test_strings: tuple[str, str, str]):
         """Loops testing over the given terms"""
         try:
             self.login()
@@ -151,7 +151,7 @@ class SearchExportTester(BaseTester):
         self.contact_selectall_id = "CIVICRM_QFID_ts_all_4"
         self.contact_dropdown_id = "select2-chosen-4"
 
-    def _get_export_id(self) -> str:
+    def _get_export_id(self) -> list[str]:
         """Parses url to get the param used to ID what search we are currently doing"""
         export_page_url = self.browser.current_url
         parsed = urlparse.urlparse(export_page_url)
diff --git a/civicrm_tester/activities_tab.py b/civicrm_tester/test_activities_tab.py
similarity index 97%
rename from civicrm_tester/activities_tab.py
rename to civicrm_tester/test_activities_tab.py
index 4ef4357..cefe2a6 100644
--- a/civicrm_tester/activities_tab.py
+++ b/civicrm_tester/test_activities_tab.py
@@ -4,7 +4,7 @@ from selenium.webdriver.support.select import Select
 from .base import BaseTester
 
 
-class ActivitiesTab(BaseTester):
+class TestActivitiesTab(BaseTester):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.title("Activities Tab")
@@ -65,4 +65,4 @@ class ActivitiesTab(BaseTester):
         cid_na = "42269" # Nigel Addams
         #cid_db = "43193" Use to test 100 max limit
         cid_tuple = (cid_da, cid_kh, cid_na)
-        self._test_all(cid_tuple)
+        self._test_all(cid_tuple)
\ No newline at end of file
diff --git a/civicrm_tester/contact_export.py b/civicrm_tester/test_contact_export.py
similarity index 98%
rename from civicrm_tester/contact_export.py
rename to civicrm_tester/test_contact_export.py
index 94c814c..89c7ec1 100644
--- a/civicrm_tester/contact_export.py
+++ b/civicrm_tester/test_contact_export.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.keys import Keys
 from .base import SearchExportTester
 
 
-class ContactExport(SearchExportTester):
+class TestContactExport(SearchExportTester):
     """Tests if exporting contacts from a search returns a CSV file with all contacts."""
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
diff --git a/civicrm_tester/steeringcommittee_print_labels.py b/civicrm_tester/test_steeringcommittee_print_labels.py
similarity index 97%
rename from civicrm_tester/steeringcommittee_print_labels.py
rename to civicrm_tester/test_steeringcommittee_print_labels.py
index 73421ba..0790d2a 100644
--- a/civicrm_tester/steeringcommittee_print_labels.py
+++ b/civicrm_tester/test_steeringcommittee_print_labels.py
@@ -6,7 +6,7 @@ from selenium.webdriver.common.keys import Keys
 from .base import SearchExportTester
 
 
-class SteeringCommitteePrintLabels(SearchExportTester):
+class TestSteeringCommitteePrintLabels(SearchExportTester):
     """Tests the pdf labels for the SteeringCommitee show all contacts names"""
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
diff --git a/main.py b/main.py
index c010097..c1c0a43 100644
--- a/main.py
+++ b/main.py
@@ -1,9 +1,8 @@
 import argparse
 
-from civicrm_tester.activities_tab import ActivitiesTab
-from civicrm_tester.contact_export import ContactExport
-from civicrm_tester.steeringcommittee_print_labels import \
-    SteeringCommitteePrintLabels
+from civicrm_tester.test_activities_tab import TestActivitiesTab
+from civicrm_tester.test_contact_export import TestContactExport
+from civicrm_tester.test_steeringcommittee_print_labels import TestSteeringCommitteePrintLabels
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="")
@@ -32,9 +31,9 @@ if __name__ == "__main__":
     cl_arg = (
         arguments.user, arguments.passwd, arguments.dev, arguments.show_browser
     )
-    ActivitiesTab(*cl_arg).test_all_hardcoded_contacts()
-    ContactExport(*cl_arg).test_hardcoded_search_terms()
-    SteeringCommitteePrintLabels(*cl_arg).test()
+    TestActivitiesTab(*cl_arg).test_all_hardcoded_contacts()
+    TestContactExport(*cl_arg).test_hardcoded_search_terms()
+    TestSteeringCommitteePrintLabels(*cl_arg).test()
 
 # Mailing list
 # Load mailing list test and enter test data