diff --git a/tests/basic/test_repomap.py b/tests/basic/test_repomap.py
index 280203adb..7bb8ae53d 100644
--- a/tests/basic/test_repomap.py
+++ b/tests/basic/test_repomap.py
@@ -49,11 +49,14 @@ class TestRepoMap(unittest.TestCase):
             # Create two source files with one function each
             file1_content = "def function1():\n    return 'Hello from file1'\n"
             file2_content = "def function2():\n    return 'Hello from file2'\n"
+            file3_content = "def function3():\n    return 'Hello from file3'\n"
 
             with open(os.path.join(temp_dir, "file1.py"), "w") as f:
                 f.write(file1_content)
             with open(os.path.join(temp_dir, "file2.py"), "w") as f:
                 f.write(file2_content)
+            with open(os.path.join(temp_dir, "file3.py"), "w") as f:
+                f.write(file3_content)
 
             # Add files to git
             repo.index.add(["file1.py", "file2.py"])
@@ -62,30 +65,30 @@ class TestRepoMap(unittest.TestCase):
             # Initialize RepoMap with refresh="files" and one source file
             io = InputOutput()
             repo_map = RepoMap(main_model=self.GPT35, root=temp_dir, io=io, refresh="files")
-            chat_files = [os.path.join(temp_dir, "file1.py")]
-            other_files = [os.path.join(temp_dir, "file2.py")]
+            chat_files = [os.path.join(temp_dir, "file2.py")]
+            other_files = [os.path.join(temp_dir, "file1.py"), os.path.join(temp_dir, "file3.py")]
 
             # Get initial repo map
             initial_map = repo_map.get_repo_map(chat_files, other_files)
-            self.assertIn("function1", initial_map)
+            dump(initial_map)
             self.assertNotIn("function2", initial_map)
 
             # Add a 2nd function to file1.py
-            with open(os.path.join(temp_dir, "file1.py"), "a") as f:
-                f.write("\ndef function3():\n    return 'Hello from function3'\n")
+            with open(os.path.join(temp_dir, "file1.py"), "w") as f:
+                f.write("\ndef functionNEW():\n    return 'Hello NEW'\n")
 
             # Get another repo map
             second_map = repo_map.get_repo_map(chat_files, other_files)
             self.assertEqual(initial_map, second_map, "RepoMap should not change without refresh")
 
             # Add the 2nd file to the chat
-            chat_files.append(os.path.join(temp_dir, "file2.py"))
+            chat_files = [os.path.join(temp_dir, "file2.py"), os.path.join(temp_dir, "file3.py")]
+            other_files = [os.path.join(temp_dir, "file1.py")]
 
             # Get a new repo map
-            final_map = repo_map.get_repo_map(chat_files, [])
-            self.assertIn("function1", final_map)
-            self.assertIn("function2", final_map)
-            self.assertIn("function3", final_map)
+            final_map = repo_map.get_repo_map(chat_files, other_files)
+            dump(final_map)
+            self.assertIn("functionNEW", final_map)
 
             # close the open cache files, so Windows won't error
             del repo_map