diff --git a/requirements.txt b/requirements.txt
index 666209b..8f16531 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,8 @@ pyobjc-framework-WebKit>=10.0 ; sys_platform == "darwin"
 pyobjc-framework-AVFoundation>=10.0 ; sys_platform == "darwin"
 pythonnet==3.0.5 ; sys_platform == "win32"
 clr-loader==0.2.7.post0 ; sys_platform == "win32"
+
+# --- dev only ---
+pytest>=8.0.0
+responses>=0.25.0
+freezegun>=1.4.0
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..3ea5917
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,12 @@
+"""Fixtures pytest condivise."""
+from pathlib import Path
+
+import pytest
+
+
+FIXTURES_DIR = Path(__file__).parent / "fixtures"
+
+
+@pytest.fixture
+def fixtures_dir() -> Path:
+    return FIXTURES_DIR