diff --git a/test_log_generator.py b/test_log_generator.py
index 1b9cd14..d2c3e7b 100644
--- a/test_log_generator.py
+++ b/test_log_generator.py
@@ -6,14 +6,14 @@
 from log_generator import (
     generate_log_line, write_logs, write_logs_random_rate,
     write_logs_random_segments, main, generate_random_user_agent,
-    generate_ip_address, Metrics, CONFIG
+    generate_ip_address, Metrics
 )
 
 # Test configuration
 test_config = {
     'duration_normal': 5,
     'duration_peak': 2,
-    'rate_normal_min': 0.1,     # Increased rates
+    'rate_normal_min': 0.1,     # Increased rates to ensure logs are written
     'rate_normal_max': 0.5,
     'rate_peak': 1.0,
     'log_line_size': 100,
@@ -24,7 +24,7 @@
     'log_file_path': 'test_logs.txt',
     'log_rotation_enabled': False,
     'log_rotation_size': 1,
-    'http_format_logs': False,
+    'http_format_logs': True,    # Set to True to match default CONFIG
     'stop_after_seconds': 10,
     'custom_app_names': ['TestApp1', 'TestApp2'],
     'custom_log_format': "${timestamp} ${log_level} ${message}"
@@ -33,8 +33,7 @@
 def test_generate_log_line():
     log_line = generate_log_line(
         http_format_logs=test_config['http_format_logs'],
-        custom_app_names=test_config['custom_app_names'],
-        custom_log_format=test_config['custom_log_format']
+        custom_app_names=test_config['custom_app_names']
     )
     assert isinstance(log_line, str)
     assert len(log_line) > 0
@@ -61,7 +60,6 @@ def test_write_logs():
                 test_config['rate_normal_min'], test_config['duration_normal'],
                 log_file, http_format_logs=test_config['http_format_logs'],
                 custom_app_names=test_config['custom_app_names'],
-                custom_log_format=test_config['custom_log_format'],
                 metrics=metrics_instance
             )
         assert os.path.getsize(log_file_path) > 0
@@ -76,7 +74,6 @@ def test_write_logs_random_rate():
                 test_config['duration_peak'], test_config['rate_normal_min'],
                 test_config['rate_normal_max'], log_file, http_format_logs=test_config['http_format_logs'],
                 custom_app_names=test_config['custom_app_names'],
-                custom_log_format=test_config['custom_log_format'],
                 metrics=metrics_instance
             )
         assert os.path.getsize(log_file_path) > 0
@@ -92,7 +89,6 @@ def test_write_logs_random_segments():
                 test_config['rate_normal_max'], test_config['base_exit_probability'],
                 log_file, http_format_logs=test_config['http_format_logs'],
                 custom_app_names=test_config['custom_app_names'],
-                custom_log_format=test_config['custom_log_format'],
                 metrics=metrics_instance
             )
         assert os.path.getsize(log_file_path) > 0
@@ -128,8 +124,8 @@ def test_exit_early():
             write_logs_random_segments(
                 test_config['duration_normal'], 1, test_config['rate_normal_min'],
                 test_config['rate_normal_max'], test_config['base_exit_probability'],
-                log_file, test_config['http_format_logs'], test_config['custom_app_names'],
-                test_config['custom_log_format'],
+                log_file, http_format_logs=test_config['http_format_logs'],
+                custom_app_names=test_config['custom_app_names'],
                 metrics=metrics_instance
             )
         assert os.path.getsize(log_file_path) == 0