diff --git a/poetry.lock b/poetry.lock
index 58a4099..aad6447 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1241,6 +1241,20 @@ pytest = ">=4.0,<8.0"
 docker-compose-v1 = ["docker-compose (>=1.27.3,<2.0)"]
 tests = ["pytest-pycodestyle (>=2.0.0,<3.0)", "pytest-pylint (>=0.14.1,<1.0)", "requests (>=2.22.0,<3.0)"]
 
+[[package]]
+name = "pytest-random-order"
+version = "1.1.0"
+description = "Randomise the order in which pytest tests are run with some control over the randomness"
+optional = false
+python-versions = ">=3.5.0"
+files = [
+    {file = "pytest-random-order-1.1.0.tar.gz", hash = "sha256:dbe6debb9353a7af984cc9eddbeb3577dd4dbbcc1529a79e3d21f68ed9b45605"},
+    {file = "pytest_random_order-1.1.0-py3-none-any.whl", hash = "sha256:6cb1e59ab0f798bb0c3488c11ae0c70d7d3340306a466d28b28ccd8ef8c20b7e"},
+]
+
+[package.dependencies]
+pytest = ">=3.0.0"
+
 [[package]]
 name = "python-dateutil"
 version = "2.8.2"
@@ -1863,4 +1877,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "583d7e8dd47c8b78203e6bc37f0e67d9afa536def1eb0a5931ea3598684ded68"
+content-hash = "2c73550210721fa23300fe5871429d80117eab0f4836a67450f1d13778987ef4"
diff --git a/pyproject.toml b/pyproject.toml
index be5947f..9f57aac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ poethepoet = "^0.21.1"
 pytest = "^7.4.0"
 pytest-asyncio = "^0.21.1"
 pytest-docker = "^2.0.0"
+pytest-random-order = "^1.1.0"
 
 [tool.poetry.group.fastapi.dependencies]
 fastapi = {extras = ["all"], version = "^0.100.1"}
@@ -107,7 +108,7 @@ black = "black ."
 black-check = "black . --check"
 mypy = "mypy ."
 ruff = "ruff check ."
-test = "python -m pytest tests"
+test = "python -m pytest tests --random-order"
 
 static-checks.sequence =  ["ruff", "black-check", "mypy"]
 static-checks.ignore_fail = "return_non_zero"
diff --git a/tests/test_service.py b/tests/test_service.py
index d6273b6..c83dfb2 100644
--- a/tests/test_service.py
+++ b/tests/test_service.py
@@ -38,6 +38,9 @@ async def test_create(self, *, person_service: PersonService) -> None:
         p = Person(**result)
         assert isinstance(p.id, ObjectId)
 
+        delete_result = await person_service.delete_by_id(p.id)
+        assert delete_result.deleted_count == 1
+
     @pytest.mark.asyncio
     async def test_insert_one(self, *, person_service: PersonService) -> None:
         pd = PersonData(name="Jack", lucky_number=6)
@@ -53,3 +56,6 @@ async def test_insert_one(self, *, person_service: PersonService) -> None:
 
         p = Person(**result)
         assert isinstance(p.id, ObjectId)
+
+        delete_result = await person_service.delete_by_id(p.id)
+        assert delete_result.deleted_count == 1