diff --git a/.circleci/pgcat_trust.toml b/.circleci/pgcat_trust.toml
deleted file mode 100644
index 7e33ac8..0000000
--- a/.circleci/pgcat_trust.toml
+++ /dev/null
@@ -1,21 +0,0 @@
-
-[general]
-host = "0.0.0.0"
-port = 6432
-admin_username = "admin_user"
-admin_password = ""
-admin_auth_type = "trust"
-
-[pools.sharded_db.users.0]
-username = "sharding_user"
-password = "sharding_user"
-auth_type = "trust"
-pool_size = 10
-min_pool_size = 1
-pool_mode = "transaction"
-
-[pools.sharded_db.shards.0]
-servers = [
-  [ "127.0.0.1", 5432, "primary" ],
-]
-database = "shard0"
diff --git a/tests/python/test_auth.py b/tests/python/test_auth.py
new file mode 100644
index 0000000..bd94342
--- /dev/null
+++ b/tests/python/test_auth.py
@@ -0,0 +1,71 @@
+import utils
+import signal
+
+class TestTrustAuth:
+    @classmethod
+    def setup_method(cls):
+        config= """
+        [general]
+        host = "0.0.0.0"
+        port = 6432
+        admin_username = "admin_user"
+        admin_password = ""
+        admin_auth_type = "trust"
+
+        [pools.sharded_db.users.0]
+        username = "sharding_user"
+        password = "sharding_user"
+        auth_type = "trust"
+        pool_size = 10
+        min_pool_size = 1
+        pool_mode = "transaction"
+
+        [pools.sharded_db.shards.0]
+        servers = [
+          [ "127.0.0.1", 5432, "primary" ],
+        ]
+        database = "shard0"
+        """
+        utils.pgcat_generic_start(config)
+
+    @classmethod
+    def teardown_method(self):
+        utils.pg_cat_send_signal(signal.SIGTERM)
+
+    def test_admin_trust_auth(self):
+        conn, cur = utils.connect_db_trust(admin=True)
+        cur.execute("SHOW POOLS")
+        res = cur.fetchall()
+        print(res)
+        utils.cleanup_conn(conn, cur)
+
+    def test_normal_trust_auth(self):
+        conn, cur = utils.connect_db_trust(autocommit=False)
+        cur.execute("SELECT 1")
+        res = cur.fetchall()
+        print(res)
+        utils.cleanup_conn(conn, cur)
+
+class TestMD5Auth:
+    @classmethod
+    def setup_method(cls):
+        utils.pgcat_start()
+
+    @classmethod
+    def teardown_method(self):
+        utils.pg_cat_send_signal(signal.SIGTERM)
+
+    def test_normal_db_access(self):
+        conn, cur = utils.connect_db(autocommit=False)
+        cur.execute("SELECT 1")
+        res = cur.fetchall()
+        print(res)
+        utils.cleanup_conn(conn, cur)
+
+    def test_admin_db_access(self):
+        conn, cur = utils.connect_db(admin=True)
+
+        cur.execute("SHOW POOLS")
+        res = cur.fetchall()
+        print(res)
+        utils.cleanup_conn(conn, cur)
diff --git a/tests/python/test_pgcat.py b/tests/python/test_pgcat.py
index fbced71..773715d 100644
--- a/tests/python/test_pgcat.py
+++ b/tests/python/test_pgcat.py
@@ -7,46 +7,6 @@ import utils
 
 SHUTDOWN_TIMEOUT = 5
 
-def _test_admin_trust_auth():
-    conn, cur = utils.connect_db_trust(admin=True)
-    cur.execute("SHOW POOLS")
-    res = cur.fetchall()
-    print(res)
-    utils.cleanup_conn(conn, cur)
-
-
-def _test_normal_trust_auth():
-    conn, cur = utils.connect_db_trust(autocommit=False)
-    cur.execute("SELECT 1")
-    res = cur.fetchall()
-    print(res)
-    utils.cleanup_conn(conn, cur)
-
-
-def test_trust():
-    utils.pgcat_trust_start()
-    _test_admin_trust_auth()
-    _test_normal_trust_auth()
-    utils.pg_cat_send_signal(signal.SIGTERM)
-
-
-def test_normal_db_access():
-    utils.pgcat_start()
-    conn, cur = utils.connect_db(autocommit=False)
-    cur.execute("SELECT 1")
-    res = cur.fetchall()
-    print(res)
-    utils.cleanup_conn(conn, cur)
-
-
-def test_admin_db_access():
-    conn, cur = utils.connect_db(admin=True)
-
-    cur.execute("SHOW POOLS")
-    res = cur.fetchall()
-    print(res)
-    utils.cleanup_conn(conn, cur)
-
 
 def test_shutdown_logic():
 
diff --git a/tests/python/utils.py b/tests/python/utils.py
index d7d11f7..9a1c6de 100644
--- a/tests/python/utils.py
+++ b/tests/python/utils.py
@@ -2,6 +2,7 @@ import os
 import signal
 import time
 from typing import Tuple
+import tempfile
 
 import psutil
 import psycopg2
@@ -20,8 +21,11 @@ def pgcat_start():
     _pgcat_start(config_path='.circleci/pgcat.toml')
 
 
-def pgcat_trust_start():
-    _pgcat_start(config_path='.circleci/pgcat_trust.toml')
+def pgcat_generic_start(config: str):
+    tmp = tempfile.NamedTemporaryFile()
+    with open(tmp.name, 'w') as f:
+        f.write(config)
+    _pgcat_start(config_path=tmp.name)
 
 
 def glauth_send_signal(signal: signal.Signals):
@@ -43,7 +47,7 @@ def glauth_send_signal(signal: signal.Signals):
 def pg_cat_send_signal(signal: signal.Signals):
     try:
         for proc in psutil.process_iter(["pid", "name"]):
-            if proc.name() == "pgcat":
+            if "pgcat" == proc.name():
                 os.kill(proc.pid, signal)
     except Exception as e:
         # The process can be gone when we send this signal