diff --git a/tests/integration_tests/game_layer/observations/test_obs_data_capture.py b/tests/integration_tests/game_layer/observations/test_obs_data_capture.py
new file mode 100644
index 00000000..205341d9
--- /dev/null
+++ b/tests/integration_tests/game_layer/observations/test_obs_data_capture.py
@@ -0,0 +1,25 @@
+from primaite.session.environment import PrimaiteGymEnv
+from primaite.session.io import PrimaiteIO
+import json
+from tests import TEST_ASSETS_ROOT
+
+DATA_MANIPULATION_CONFIG = TEST_ASSETS_ROOT / "configs" / "data_manipulation.yaml"
+
+def test_obs_data_in_log_file():
+    """Create a log file of AgentHistoryItems and check observation data is 
+    included. Assumes that data_manipulation.yaml has an agent labelled
+    'defender' with a non-null observation space.
+    The log file will be in:
+        primaite/VERSION/sessions/YYYY-MM-DD/HH-MM-SS/agent_actions
+    """
+    env = PrimaiteGymEnv(DATA_MANIPULATION_CONFIG)
+    env.reset()
+    for _ in range(10):
+        env.step(0)
+    env.reset()
+    io = PrimaiteIO()
+    path = io.generate_agent_actions_save_path(episode=1)
+    with open(path, 'r') as f:
+        j = json.load(f)
+
+    assert type(j['0']['defender']['obs_space_data']) == dict