diff --git a/tests/conftest.py b/tests/conftest.py
index b5cdc069f..3705cd7b3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,8 +1,27 @@
 # SPDX-License-Identifier: Apache-2.0
-# Copyright 2020 - 2023 Pionix GmbH and Contributors to EVerest
+# Copyright Pionix GmbH and Contributors to EVerest
+
+from pathlib import Path
+import pytest
 
-import os
 
 def pytest_addoption(parser):
     parser.addoption("--everest-prefix", action="store", default="../build/dist",
                      help="everest prefix path; default = '../build/dist'")
+
+
+def pytest_configure(config):
+    everest_prefix = config.getoption('--everest-prefix')
+    everest_config_path = Path(everest_prefix) / 'etc/everest'
+    everest_configs = [path for path in everest_config_path.iterdir(
+    ) if path.name.startswith('config-') and path.name.endswith('yaml')]
+    pytest.everest_configs = {}
+    pytest.everest_configs['params'] = []
+    pytest.everest_configs['ids'] = []
+    for config_path in everest_configs:
+        config_id = config_path.stem
+        if config_id == 'config-sil-gen-pm':
+            # skip
+            continue
+        pytest.everest_configs['params'].append(config_path)
+        pytest.everest_configs['ids'].append(config_id)
diff --git a/tests/core_tests/config_tests.py b/tests/core_tests/config_tests.py
index 8f6a4f17d..5dbca3184 100644
--- a/tests/core_tests/config_tests.py
+++ b/tests/core_tests/config_tests.py
@@ -19,46 +19,12 @@
     EverestConfigAdjustmentVisitor
 
 
-@pytest.mark.everest_core_config('config-example.yaml')
-@pytest.mark.asyncio
-async def test_start_config_example(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_example <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-dc-sae-v2g.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_dc_sae_v2g(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_dc_sae_v2g <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-dc-sae-v2h.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_dc_sae_v2h(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_dc_sae_v2h <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-dc.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_dc(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_dc <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-energy-management.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_energy_management(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_config_sil_energy_management <<<<<<<<<")
-    everest_core.start()
-
-
 class EverestCoreConfigSilGenPmConfigurationVisitor(EverestConfigAdjustmentVisitor):
     def __init__(self):
         self.temporary_directory = mkdtemp()
         self.serial_port_0, self.serial_port_1 = pty.openpty()
-        self.serial_port_0_name = os.ttyname(self.serial_port_0) # FIXME: cleanup socket after test
+        # FIXME: cleanup socket after test
+        self.serial_port_0_name = os.ttyname(self.serial_port_0)
 
     def adjust_everest_configuration(self, everest_config: Dict):
         adjusted_config = deepcopy(everest_config)
@@ -77,51 +43,19 @@ async def test_start_config_sil_gen_pm(everest_core: EverestCore):
     everest_core.start()
 
 
-@pytest.mark.everest_core_config('config-sil-ocpp-custom-extension.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_ocpp_custom_extension(everest_core: EverestCore):
-    logging.info(
-        ">>>>>>>>> test_start_config_sil_ocpp_custom_extension <<<<<<<<<")
-    everest_core.start()
+class TestConfigsInDirectory:
+    @pytest.fixture(params=pytest.everest_configs['params'], ids=pytest.everest_configs['ids'])
+    def core_config(self, request) -> EverestEnvironmentCoreConfiguration:
+        everest_prefix = Path(request.config.getoption("--everest-prefix"))
 
+        everest_config_path = request.param
 
-@pytest.mark.everest_core_config('config-sil-ocpp-pnc.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_ocpp_pnc(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_ocpp_pnc <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-ocpp.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_ocpp(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_ocpp <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-ocpp201.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_ocpp201(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_ocpp201 <<<<<<<<<")
-    everest_core.start()
-
+        return EverestEnvironmentCoreConfiguration(
+            everest_core_path=everest_prefix,
+            template_everest_config_path=everest_config_path,
+        )
 
-@pytest.mark.everest_core_config('config-sil-two-evse-dc.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_two_evse_dc(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_two_evse_dc <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil-two-evse.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil_two_evse(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil_two_evse <<<<<<<<<")
-    everest_core.start()
-
-
-@pytest.mark.everest_core_config('config-sil.yaml')
-@pytest.mark.asyncio
-async def test_start_config_sil(everest_core: EverestCore):
-    logging.info(">>>>>>>>> test_start_config_sil <<<<<<<<<")
-    everest_core.start()
+    @pytest.mark.asyncio
+    async def test_config(self, everest_core: EverestCore):
+        logging.info(">>>>>>>>> test_config <<<<<<<<<")
+        everest_core.start()
diff --git a/tests/pytest.ini b/tests/pytest.ini
index 7204f927a..c6aea78b6 100644
--- a/tests/pytest.ini
+++ b/tests/pytest.ini
@@ -4,3 +4,4 @@ log_level=debug
 asyncio_mode=strict
 markers =
     everest_core_config: marks tests using a specific config (deselect with '-m "not everest_core_config"')
+    everest_config_adaptions: modify config for a specific testcase