diff --git a/scos_actions/hardware/tests/test_sensor.py b/scos_actions/hardware/tests/test_sensor.py
new file mode 100644
index 00000000..1d86de81
--- /dev/null
+++ b/scos_actions/hardware/tests/test_sensor.py
@@ -0,0 +1,10 @@
+from scos_actions.hardware.mocks.mock_sigan import MockSignalAnalyzer
+from scos_actions.hardware.mocks.mock_gps import MockGPS
+from scos_actions.hardware.sensor import Sensor
+
+
+def test_sensor():
+    sensor = Sensor(signal_analyzer=MockSignalAnalyzer(), gps=MockGPS())
+    assert sensor is not None
+    assert sensor.signal_analyzer is not None
+    assert sensor.gps is not None
diff --git a/scos_actions/hardware/tests/test_sigan.py b/scos_actions/hardware/tests/test_sigan.py
index df980ecf..c82ffeec 100644
--- a/scos_actions/hardware/tests/test_sigan.py
+++ b/scos_actions/hardware/tests/test_sigan.py
@@ -1,5 +1,3 @@
-from environs import Env
-
 from scos_actions.hardware.mocks.mock_sigan import MockSignalAnalyzer