diff --git a/softpack_core/artifacts.py b/softpack_core/artifacts.py
index 96fae0d..c295f6e 100644
--- a/softpack_core/artifacts.py
+++ b/softpack_core/artifacts.py
@@ -229,7 +229,7 @@ def clone_repo(self, branch: Optional[str] = None) -> None:
         path = self.settings.artifacts.path.expanduser() / ".git"
         if path.is_dir():
             shutil.rmtree(path)
-
+        
         self.repo = pygit2.clone_repository(
             self.settings.artifacts.repo.url,
             path=path,
@@ -237,7 +237,7 @@ def clone_repo(self, branch: Optional[str] = None) -> None:
             bare=True,
             checkout_branch=branch,
         )
-
+        
         self.reference = "/".join(
             [
                 "refs/remotes",
diff --git a/softpack_core/graphql.py b/softpack_core/graphql.py
index 227af70..5dac160 100644
--- a/softpack_core/graphql.py
+++ b/softpack_core/graphql.py
@@ -32,16 +32,6 @@ class GraphQL(API):
     ]
     commands = Typer(help="GraphQL commands.")
 
-    @staticmethod
-    @commands.command("query", help="Execute a GraphQL query.")
-    def query_command() -> None:
-        """Execute a GraphQL query.
-
-        Returns:
-            None.
-        """
-        app.echo("GraphQL Query")
-
     class Schema(strawberry.Schema):
         """GraphQL Schema class."""
 
diff --git a/softpack_core/service.py b/softpack_core/service.py
index 0b2dc42..454cb14 100644
--- a/softpack_core/service.py
+++ b/softpack_core/service.py
@@ -5,6 +5,7 @@
 """
 
 
+import multiprocessing
 import urllib.parse
 from pathlib import Path
 
@@ -51,6 +52,7 @@ def run(
                 help="Create and use this branch of Artefacts repo.",
             ),
         ] = 'main',
+        serviceReady = None,
     ) -> None:
         """Start the SoftPack Core REST API service.
 
@@ -68,6 +70,8 @@ def run(
 
         artifacts.clone_repo(branch=branch)
 
+        if serviceReady is not None:
+            serviceReady.set()
         uvicorn.run(
             "softpack_core.app:app.router",
             host=app.settings.server.host,
diff --git a/tests/unit/conftest.py b/tests/unit/conftest.py
deleted file mode 100644
index 4000028..0000000
--- a/tests/unit/conftest.py
+++ /dev/null
@@ -1,16 +0,0 @@
-"""Copyright (c) 2023 Genome Research Ltd.
-
-This source code is licensed under the MIT license found in the
-LICENSE file in the root directory of this source tree.
-"""
-
-
-import pytest
-from fastapi.testclient import TestClient
-
-from softpack_core.app import app
-
-
-@pytest.fixture
-def client() -> TestClient:
-    return TestClient(app.router)
diff --git a/tests/unit/test_service.py b/tests/unit/test_service.py
new file mode 100644
index 0000000..9f4f463
--- /dev/null
+++ b/tests/unit/test_service.py
@@ -0,0 +1,25 @@
+"""Copyright (c) 2023 Genome Research Ltd.
+
+This source code is licensed under the MIT license found in the
+LICENSE file in the root directory of this source tree.
+"""
+
+import httpx
+from box import Box
+
+from softpack_core import __version__
+from softpack_core.app import app
+import multiprocessing
+from softpack_core.service import ServiceAPI
+from time import sleep
+
+
+def test_service_run() -> None:
+    ready = multiprocessing.Event()
+    run = multiprocessing.Process(target=ServiceAPI.run, kwargs={"serviceReady": ready})
+    run.start()
+    ready.wait(timeout=120)
+    response = httpx.get(app.url())
+    run.terminate()
+    status = Box(response.json())
+    assert status.softpack.core.version == __version__