diff --git a/ci/environment-py3.10.yml b/ci/environment-py3.10.yml
new file mode 100644
index 0000000..b13a647
--- /dev/null
+++ b/ci/environment-py3.10.yml
@@ -0,0 +1,17 @@
+name: test_env_particle-tracking-manager
+channels:
+  - conda-forge
+dependencies:
+  - python=3.10
+  ############## These will have to be adjusted to your specific project
+  - adios_db
+  - aiohttp
+  - numpy
+  - scipy
+  - xarray
+  ##############
+  - pytest
+  - pip:
+    - codecov
+    - pytest-cov
+    - coverage[toml]
\ No newline at end of file
diff --git a/ci/environment-py3.11.yml b/ci/environment-py3.11.yml
new file mode 100644
index 0000000..5b760ee
--- /dev/null
+++ b/ci/environment-py3.11.yml
@@ -0,0 +1,17 @@
+name: test_env_particle-tracking-manager
+channels:
+  - conda-forge
+dependencies:
+  - python=3.11
+  ############## These will have to be adjusted to your specific project
+  - adios_db
+  - aiohttp
+  - numpy
+  - scipy
+  - xarray
+  ##############
+  - pytest
+  - pip:
+    - codecov
+    - pytest-cov
+    - coverage[toml]
\ No newline at end of file
diff --git a/ci/environment-py3.9.yml b/ci/environment-py3.9.yml
new file mode 100644
index 0000000..d4d0873
--- /dev/null
+++ b/ci/environment-py3.9.yml
@@ -0,0 +1,17 @@
+name: test_env_particle-tracking-manager
+channels:
+  - conda-forge
+dependencies:
+  - python=3.9
+  ############## These will have to be adjusted to your specific project
+  - adios_db
+  - aiohttp
+  - numpy
+  - scipy
+  - xarray
+  ##############
+  - pytest
+  - pip:
+    - codecov
+    - pytest-cov
+    - coverage[toml]
\ No newline at end of file
diff --git a/particle_tracking_manager/__init__.py b/particle_tracking_manager/__init__.py
index c8677b2..82b5079 100644
--- a/particle_tracking_manager/__init__.py
+++ b/particle_tracking_manager/__init__.py
@@ -1,4 +1,6 @@
 """Particle Tracking Manager."""
 
+from .model_opendrift import OpenDrift
+
 import cmocean
 cmap = cmocean.tools.crop_by_percent(cmocean.cm.amp, 20, which='max', N=None)
diff --git a/particle_tracking_manager/model_opendrift.py b/particle_tracking_manager/model_opendrift.py
index 69fe37c..8f2cdad 100644
--- a/particle_tracking_manager/model_opendrift.py
+++ b/particle_tracking_manager/model_opendrift.py
@@ -10,7 +10,7 @@
 from opendrift.models.oceandrift import Lagrangian3DArray
 from opendrift.models.openoil import OpenOil
 
-from the_manager import ParticleTrackingManager
+from .the_manager import ParticleTrackingManager
 
 
 class OpenDrift(ParticleTrackingManager):
diff --git a/tests/test_configuration.py b/tests/test_configuration.py
new file mode 100644
index 0000000..52efcb5
--- /dev/null
+++ b/tests/test_configuration.py
@@ -0,0 +1,17 @@
+"""Test configuration methods."""
+
+import particle_tracking_manager as ptm
+import os
+import pytest
+
+def test_drift_models():
+    os.system("python cli.py driftmodel=Leeway oceanmodel=None")
+    os.system("python cli.py driftmodel=OceanDrift oceanmodel=None")
+    os.system("python cli.py driftmodel=LarvalFish oceanmodel=None")
+    os.system("python cli.py driftmodel=OpenOil oceanmodel=None")
+
+def test_order():
+
+    with pytest.raises(KeyError):
+        manager = ptm.OpenDrift()
+        manager.seed()
\ No newline at end of file