diff --git a/tests/e2e/conftest.py b/tests/e2e/conftest.py
index dedec67c..92b01d72 100644
--- a/tests/e2e/conftest.py
+++ b/tests/e2e/conftest.py
@@ -10,59 +10,59 @@
 from mpt_api_client import AsyncMPTClient, MPTClient
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def base_url():
     return os.getenv("MPT_API_BASE_URL")
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def api_timeout():
     return float(os.getenv("MPT_API_TIMEOUT", "60.0"))
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def mpt_vendor(base_url, api_timeout):
     return MPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_VENDOR"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def async_mpt_vendor(base_url, api_timeout):
     return AsyncMPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_VENDOR"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def mpt_ops(base_url, api_timeout):
     return MPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_OPERATIONS"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def async_mpt_ops(base_url, api_timeout):
     return AsyncMPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_OPERATIONS"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def mpt_client(base_url, api_timeout):
     return MPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_CLIENT"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def async_mpt_client(base_url, api_timeout):
     return AsyncMPTClient.from_config(
         api_token=os.getenv("MPT_API_TOKEN_CLIENT"), base_url=base_url, timeout=api_timeout
     )  # type: ignore
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def rp_logger():
     logger = logging.getLogger(__name__)
     logger.setLevel(logging.DEBUG)
@@ -70,40 +70,41 @@ def rp_logger():
     return logger
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def logger():
     return logging.getLogger("E2E")
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def project_root_path():
     return pathlib.Path(__file__).parent.parent.parent
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def pdf_fd():
     icon_path = pathlib.Path(__file__).parent / "empty.pdf"
-    return pathlib.Path.open(icon_path, "rb")
+    with pathlib.Path.open(icon_path, "rb") as fd:
+        yield fd
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def pdf_url():
     return "https://sample-files.com/downloads/documents/pdf/basic-text.pdf"
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def jpg_url():
     return "https://sample-files.com/downloads/images/jpg/color_test_800x600_118kb.jpg"
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def e2e_config(project_root_path):
     filename = os.getenv("TEST_CONFIG_FILE", "e2e_config.test.json")
     file_path = project_root_path.joinpath(filename)
     return json.loads(file_path.read_text())
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def product_id(e2e_config):
     return e2e_config["catalog.product.id"]
 
@@ -118,57 +119,57 @@ def uuid_str():
     return str(uuid.uuid4())
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def logo_fd(project_root_path):
     file_path = project_root_path / "tests/data/logo.png"
     return file_path.open("rb")
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def user_id(e2e_config):
     return e2e_config["accounts.user.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def account_id(e2e_config):
     return e2e_config["accounts.account.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def seller_id(e2e_config):
     return e2e_config["accounts.seller.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def buyer_id(e2e_config):
     return e2e_config["accounts.buyer.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def buyer_account_id(e2e_config):
     return e2e_config["accounts.buyer.account.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def licensee_id(e2e_config):
     return e2e_config["accounts.licensee.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def authorization_id(e2e_config):
     return e2e_config["commerce.authorization.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def price_list_id(e2e_config):
     return e2e_config["catalog.price_list.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def user_group_id(e2e_config):
     return e2e_config["accounts.user_group.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def commerce_product_id(e2e_config):
     return e2e_config["commerce.product.id"]
diff --git a/tests/e2e/helpdesk/cases/conftest.py b/tests/e2e/helpdesk/cases/conftest.py
index ba66094f..97f54ee1 100644
--- a/tests/e2e/helpdesk/cases/conftest.py
+++ b/tests/e2e/helpdesk/cases/conftest.py
@@ -1,7 +1,7 @@
 import pytest
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_case_id():
     return "CAS-0000-0000"
 
diff --git a/tests/e2e/helpdesk/channels/conftest.py b/tests/e2e/helpdesk/channels/conftest.py
index 19bf2235..321e0668 100644
--- a/tests/e2e/helpdesk/channels/conftest.py
+++ b/tests/e2e/helpdesk/channels/conftest.py
@@ -6,12 +6,12 @@
 )
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def channel_id(e2e_config):
     return e2e_config["helpdesk.channel.id"]  # FIXME: seed data
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_channel_id():
     return "CHN-0000-0000-0000"
 
diff --git a/tests/e2e/helpdesk/chats/answers/conftest.py b/tests/e2e/helpdesk/chats/answers/conftest.py
index 69bdf227..f8c10d90 100644
--- a/tests/e2e/helpdesk/chats/answers/conftest.py
+++ b/tests/e2e/helpdesk/chats/answers/conftest.py
@@ -37,6 +37,6 @@ async def async_created_chat_answer(async_chat_answers_service, chat_answer_data
         yield chat_answer
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_answer_id():
     return "ANS-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/answers/parameters/conftest.py b/tests/e2e/helpdesk/chats/answers/parameters/conftest.py
index cebf39ce..8205bd8a 100644
--- a/tests/e2e/helpdesk/chats/answers/parameters/conftest.py
+++ b/tests/e2e/helpdesk/chats/answers/parameters/conftest.py
@@ -11,6 +11,6 @@ def async_chat_answer_parameters_service(async_mpt_ops, chat_id, async_created_c
     return async_mpt_ops.helpdesk.chats.answers(chat_id).parameters(async_created_chat_answer.id)
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_answer_parameter_id():
     return "PAR-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/attachment/conftest.py b/tests/e2e/helpdesk/chats/attachment/conftest.py
index 5b09f173..cff46a34 100644
--- a/tests/e2e/helpdesk/chats/attachment/conftest.py
+++ b/tests/e2e/helpdesk/chats/attachment/conftest.py
@@ -48,6 +48,6 @@ async def async_created_chat_attachment(
         )
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_attachment_id():
     return "ATT-0000-0000-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/conftest.py b/tests/e2e/helpdesk/chats/conftest.py
index 2637d735..2a772443 100644
--- a/tests/e2e/helpdesk/chats/conftest.py
+++ b/tests/e2e/helpdesk/chats/conftest.py
@@ -1,11 +1,11 @@
 import pytest
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def chat_id(e2e_config):
     return e2e_config["helpdesk.chat.id"]
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_id():
     return "CHT-0000-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/links/conftest.py b/tests/e2e/helpdesk/chats/links/conftest.py
index 2729c934..001885e1 100644
--- a/tests/e2e/helpdesk/chats/links/conftest.py
+++ b/tests/e2e/helpdesk/chats/links/conftest.py
@@ -38,6 +38,6 @@ async def async_created_chat_link(async_chat_links_service, chat_link_data):
         yield chat_link
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_link_id():
     return "LNK-0000-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/messages/conftest.py b/tests/e2e/helpdesk/chats/messages/conftest.py
index 43ebbba1..71949546 100644
--- a/tests/e2e/helpdesk/chats/messages/conftest.py
+++ b/tests/e2e/helpdesk/chats/messages/conftest.py
@@ -39,6 +39,6 @@ async def async_created_chat_message(async_chat_messages_service, chat_message_d
         yield chat_message
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_message_id():
     return "MSG-0000-0000-0000"
diff --git a/tests/e2e/helpdesk/chats/participants/conftest.py b/tests/e2e/helpdesk/chats/participants/conftest.py
index a3c191c8..21f1deaa 100644
--- a/tests/e2e/helpdesk/chats/participants/conftest.py
+++ b/tests/e2e/helpdesk/chats/participants/conftest.py
@@ -40,6 +40,6 @@ async def async_created_chat_participant(async_chat_participants_service, chat_p
         yield chat_participant
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_chat_participant_id():
     return "CHP-0000-0000-0000"
diff --git a/tests/e2e/helpdesk/forms/conftest.py b/tests/e2e/helpdesk/forms/conftest.py
index 2e7cf612..0e019cd3 100644
--- a/tests/e2e/helpdesk/forms/conftest.py
+++ b/tests/e2e/helpdesk/forms/conftest.py
@@ -14,7 +14,7 @@ def form_data(short_uuid):
     }
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_form_id():
     return "FRM-0000-0000"
 
diff --git a/tests/e2e/helpdesk/parameter_groups/conftest.py b/tests/e2e/helpdesk/parameter_groups/conftest.py
index 7e565374..067235cd 100644
--- a/tests/e2e/helpdesk/parameter_groups/conftest.py
+++ b/tests/e2e/helpdesk/parameter_groups/conftest.py
@@ -15,7 +15,7 @@ def parameter_group_data(short_uuid):
     }
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_parameter_group_id():
     return "PGR-0000-0000"
 
diff --git a/tests/e2e/helpdesk/parameter_groups/parameters/conftest.py b/tests/e2e/helpdesk/parameter_groups/parameters/conftest.py
index 82807923..5601ff0c 100644
--- a/tests/e2e/helpdesk/parameter_groups/parameters/conftest.py
+++ b/tests/e2e/helpdesk/parameter_groups/parameters/conftest.py
@@ -63,7 +63,7 @@ def created_parameter_group_parameter(
         yield parameter_group_parameter
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_parameter_group_parameter_id():
     return "PAR-0000-0000"
 
diff --git a/tests/e2e/helpdesk/parameters/conftest.py b/tests/e2e/helpdesk/parameters/conftest.py
index 1dc3059a..0e732e46 100644
--- a/tests/e2e/helpdesk/parameters/conftest.py
+++ b/tests/e2e/helpdesk/parameters/conftest.py
@@ -24,7 +24,7 @@ def parameter_data(short_uuid):
     }
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_parameter_id():
     return "PAR-0000-0000"
 
diff --git a/tests/e2e/helpdesk/queues/conftest.py b/tests/e2e/helpdesk/queues/conftest.py
index 6dfa9849..dfefff60 100644
--- a/tests/e2e/helpdesk/queues/conftest.py
+++ b/tests/e2e/helpdesk/queues/conftest.py
@@ -15,7 +15,7 @@ def queue_data(short_uuid):
     }
 
 
-@pytest.fixture
+@pytest.fixture(scope="session")
 def invalid_queue_id():
     return "HQU-0000-0000"