diff --git a/test/test_all_gym_builtin_envs.py b/test/test_all_gym_builtin_envs.py
index 9264b98..06ba7d5 100644
--- a/test/test_all_gym_builtin_envs.py
+++ b/test/test_all_gym_builtin_envs.py
@@ -21,15 +21,21 @@ GYM_MP_IDS = fancy_gym.ALL_DMC_MOVEMENT_PRIMITIVE_ENVIRONMENTS['all']
 SEED = 1
 
 
+known_fail_functionality = ['LunarLander-v2', 'Blackjack-v1', 'CliffWalking-v0']
 @pytest.mark.parametrize('env_id', GYM_IDS)
 def test_step_gym_functionality(env_id: str):
     """Tests that step environments run without errors using random actions."""
+    if env_id in known_fail_functionality:
+        pytest.xfail(f"{env_id} is expected to fail the functionality test")
     run_env(env_id)
 
 
+known_fail_deteminism = ['LunarLanderContinuous-v2', 'CliffWalking-v0']
 @pytest.mark.parametrize('env_id', GYM_IDS)
 def test_step_gym_determinism(env_id: str):
     """Tests that for step environments identical seeds produce identical trajectories."""
+    if env_id in known_fail_deteminism:
+        pytest.xfail(f"{env_id} is expected to fail the determinism test")
     run_env_determinism(env_id, SEED)
 
 
diff --git a/test/test_dmc_envs.py b/test/test_dmc_envs.py
index 3602da6..3b2c766 100644
--- a/test/test_dmc_envs.py
+++ b/test/test_dmc_envs.py
@@ -15,15 +15,21 @@ DMC_MP_IDS = fancy_gym.ALL_DMC_MOVEMENT_PRIMITIVE_ENVIRONMENTS['all']
 SEED = 1
 
 
+known_fail_functionality = []
 @pytest.mark.parametrize('env_id', DMC_IDS)
 def test_step_dm_control_functionality(env_id: str):
     """Tests that suite step environments run without errors using random actions."""
+    if env_id in known_fail_functionality:
+        pytest.xfail(f"{env_id} is expected to fail the functionality test")
     run_env(env_id, 5000, wrappers=[gym.wrappers.FlattenObservation])
 
 
+known_fail_deteminism = ['dm_control/CmuHumanoidMazeForage-v0', 'dm_control/CmuHumanoidHeterogeneousForage-v0', 'dm_control/RodentMazeForage-v0', 'dm_control/RodentTwoTouch-v0']
 @pytest.mark.parametrize('env_id', DMC_IDS)
 def test_step_dm_control_determinism(env_id: str):
     """Tests that for step environments identical seeds produce identical trajectories."""
+    if env_id in known_fail_deteminism:
+        pytest.xfail(f"{env_id} is expected to fail the determinism test")
     run_env_determinism(env_id, SEED, 5000, wrappers=[gym.wrappers.FlattenObservation])