diff --git a/poetry.lock b/poetry.lock
index dcfeb78..7312781 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -168,6 +168,19 @@ docs = ["cogapp", "furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphi
 tests = ["cloudpickle ; platform_python_implementation == \"CPython\"", "hypothesis", "mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-xdist[psutil]"]
 tests-mypy = ["mypy (>=1.11.1) ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\"", "pytest-mypy-plugins ; platform_python_implementation == \"CPython\" and python_version >= \"3.10\""]
 
+[[package]]
+name = "colorama"
+version = "0.4.6"
+description = "Cross-platform colored terminal text."
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["test"]
+markers = "sys_platform == \"win32\""
+files = [
+    {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
+    {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
+]
+
 [[package]]
 name = "frozenlist"
 version = "1.7.0"
@@ -297,6 +310,18 @@ files = [
 [package.extras]
 all = ["flake8 (>=7.1.1)", "mypy (>=1.11.2)", "pytest (>=8.3.2)", "ruff (>=0.6.2)"]
 
+[[package]]
+name = "iniconfig"
+version = "2.1.0"
+description = "brain-dead simple config-ini parsing"
+optional = false
+python-versions = ">=3.8"
+groups = ["test"]
+files = [
+    {file = "iniconfig-2.1.0-py3-none-any.whl", hash = "sha256:9deba5723312380e77435581c6bf4935c94cbfab9b1ed33ef8d238ea168eb760"},
+    {file = "iniconfig-2.1.0.tar.gz", hash = "sha256:3abbd2e30b36733fee78f9c7f7308f2d0050e88f0087fd25c2645f63c773e1c7"},
+]
+
 [[package]]
 name = "multidict"
 version = "6.6.4"
@@ -417,6 +442,34 @@ files = [
     {file = "multidict-6.6.4.tar.gz", hash = "sha256:d2d4e4787672911b48350df02ed3fa3fffdc2f2e8ca06dd6afdf34189b76a9dd"},
 ]
 
+[[package]]
+name = "packaging"
+version = "25.0"
+description = "Core utilities for Python packages"
+optional = false
+python-versions = ">=3.8"
+groups = ["test"]
+files = [
+    {file = "packaging-25.0-py3-none-any.whl", hash = "sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484"},
+    {file = "packaging-25.0.tar.gz", hash = "sha256:d443872c98d677bf60f6a1f2f8c1cb748e8fe762d2bf9d3148b5599295b0fc4f"},
+]
+
+[[package]]
+name = "pluggy"
+version = "1.6.0"
+description = "plugin and hook calling mechanisms for python"
+optional = false
+python-versions = ">=3.9"
+groups = ["test"]
+files = [
+    {file = "pluggy-1.6.0-py3-none-any.whl", hash = "sha256:e920276dd6813095e9377c0bc5566d94c932c33b27a3e3945d8389c374dd4746"},
+    {file = "pluggy-1.6.0.tar.gz", hash = "sha256:7dcc130b76258d33b90f61b658791dede3486c3e6bfb003ee5c9bfb396dd22f3"},
+]
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+testing = ["coverage", "pytest", "pytest-benchmark"]
+
 [[package]]
 name = "propcache"
 version = "0.3.2"
@@ -659,6 +712,58 @@ files = [
 [package.dependencies]
 typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
 
+[[package]]
+name = "pygments"
+version = "2.19.2"
+description = "Pygments is a syntax highlighting package written in Python."
+optional = false
+python-versions = ">=3.8"
+groups = ["test"]
+files = [
+    {file = "pygments-2.19.2-py3-none-any.whl", hash = "sha256:86540386c03d588bb81d44bc3928634ff26449851e99741617ecb9037ee5ec0b"},
+    {file = "pygments-2.19.2.tar.gz", hash = "sha256:636cb2477cec7f8952536970bc533bc43743542f70392ae026374600add5b887"},
+]
+
+[package.extras]
+windows-terminal = ["colorama (>=0.4.6)"]
+
+[[package]]
+name = "pytest"
+version = "8.4.2"
+description = "pytest: simple powerful testing with Python"
+optional = false
+python-versions = ">=3.9"
+groups = ["test"]
+files = [
+    {file = "pytest-8.4.2-py3-none-any.whl", hash = "sha256:872f880de3fc3a5bdc88a11b39c9710c3497a547cfa9320bc3c5e62fbf272e79"},
+    {file = "pytest-8.4.2.tar.gz", hash = "sha256:86c0d0b93306b961d58d62a4db4879f27fe25513d4b969df351abdddb3c30e01"},
+]
+
+[package.dependencies]
+colorama = {version = ">=0.4", markers = "sys_platform == \"win32\""}
+iniconfig = ">=1"
+packaging = ">=20"
+pluggy = ">=1.5,<2"
+pygments = ">=2.7.2"
+
+[package.extras]
+dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "requests", "setuptools", "xmlschema"]
+
+[[package]]
+name = "pytest-randomly"
+version = "3.16.0"
+description = "Pytest plugin to randomly order tests and control random.seed."
+optional = false
+python-versions = ">=3.9"
+groups = ["test"]
+files = [
+    {file = "pytest_randomly-3.16.0-py3-none-any.whl", hash = "sha256:8633d332635a1a0983d3bba19342196807f6afb17c3eef78e02c2f85dade45d6"},
+    {file = "pytest_randomly-3.16.0.tar.gz", hash = "sha256:11bf4d23a26484de7860d82f726c0629837cf4064b79157bd18ec9d41d7feb26"},
+]
+
+[package.dependencies]
+pytest = "*"
+
 [[package]]
 name = "typing-extensions"
 version = "4.15.0"
@@ -808,4 +913,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.11"
-content-hash = "11201d4008a14740f88f3639c07c98395d62f610d89918beae58e58453da20fc"
+content-hash = "c5954d76bc079f9b4bbf9613736bae3246cad30119ea3e97f5a5419ab3d4d5a4"
diff --git a/pyproject.toml b/pyproject.toml
index 4d38b3c..c7a2c74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,10 @@ dependencies = [
 [tool.poetry]
 packages = [{include = "TaxisLibrary", from = "src"}]
 
+[tool.poetry.group.test.dependencies]  
+pytest-randomly = "^3.15.0"  
+pytest = "^8.2.0"  
+
 
 [build-system]
 requires = ["poetry-core>=2.0.0,<3.0.0"]