diff --git a/.coveragerc b/.coveragerc
index de0c947eecb..85b36a2d7d4 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -905,7 +905,9 @@ omit =
     homeassistant/components/screenlogic/switch.py
     homeassistant/components/scsgate/*
     homeassistant/components/sendgrid/notify.py
-    homeassistant/components/sense/*
+    homeassistant/components/sense/__init__.py
+    homeassistant/components/sense/binary_sensor.py
+    homeassistant/components/sense/sensor.py
     homeassistant/components/sensehat/light.py
     homeassistant/components/sensehat/sensor.py
     homeassistant/components/sensibo/climate.py
diff --git a/tests/components/sense/test_config_flow.py b/tests/components/sense/test_config_flow.py
index 55348cca838..a56422dcb84 100644
--- a/tests/components/sense/test_config_flow.py
+++ b/tests/components/sense/test_config_flow.py
@@ -72,3 +72,22 @@ async def test_form_cannot_connect(hass):
 
     assert result2["type"] == "form"
     assert result2["errors"] == {"base": "cannot_connect"}
+
+
+async def test_form_unknown_exception(hass):
+    """Test we handle unknown error."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+
+    with patch(
+        "sense_energy.ASyncSenseable.authenticate",
+        side_effect=Exception,
+    ):
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {"timeout": "6", "email": "test-email", "password": "test-password"},
+        )
+
+    assert result2["type"] == "form"
+    assert result2["errors"] == {"base": "unknown"}