diff --git a/etl/epc_clean/tests/test_data/test_mainheat_attributes_cases.py b/etl/epc_clean/tests/test_data/test_mainheat_attributes_cases.py
index 51fc3416..16acdd37 100644
--- a/etl/epc_clean/tests/test_data/test_mainheat_attributes_cases.py
+++ b/etl/epc_clean/tests/test_data/test_mainheat_attributes_cases.py
@@ -1658,9 +1658,9 @@ mainheat_cases = [
      'has_air_source_heat_pump': False, 'has_room_heaters': False, 'has_electric_storage_heaters': False,
      'has_warm_air': False, 'has_electric_underfloor_heating': False, 'has_electric_ceiling_heating': False,
      'has_community_scheme': False, 'has_ground_source_heat_pump': False, 'has_no_system_present': False,
-     'has_portable_electric_heaters': False, 'has_water_source_heat_pump': False, 'has_electric_heat_pump': False,
+     'has_portable_electric_heaters': True, 'has_water_source_heat_pump': False, 'has_electric_heat_pump': False,
      'has_micro-cogeneration': False, 'has_solar_assisted_heat_pump': False, 'has_exhaust_source_heat_pump': False,
-     'has_community_heat_pump': False, 'has_portable_electric_heating': True, 'has_electric': True,
+     'has_community_heat_pump': False, 'has_electric': True,
      'has_mains_gas': False, 'has_wood_logs': False, 'has_coal': False, 'has_oil': False, 'has_wood_pellets': False,
      'has_anthracite': False, 'has_dual_fuel_mineral_and_wood': False, 'has_smokeless_fuel': False, 'has_lpg': False,
      'has_b30k': False, 'has_assumed': True, 'has_electricaire': False, 'has_assumed_for_most_rooms': True,
diff --git a/etl/epc_clean/tests/test_mainheat_attributes.py b/etl/epc_clean/tests/test_mainheat_attributes.py
index 7e245b8d..d79c271a 100644
--- a/etl/epc_clean/tests/test_mainheat_attributes.py
+++ b/etl/epc_clean/tests/test_mainheat_attributes.py
@@ -34,7 +34,6 @@ class TestMainHeatAttributes:
     def test_invalid_description(self):
         # Test that invalid descriptions raise a ValueError
         invalid_descriptions = [
-            "",
             "invalid description",
             "description with no known heating data_types",
         ]