diff --git a/solarmach/tests/test.py b/solarmach/tests/test.py
index 7b741bb..9f01dd5 100644
--- a/solarmach/tests/test.py
+++ b/solarmach/tests/test.py
@@ -44,9 +44,9 @@ def test_solarmach_initialize():
 
 
 def test_solarmach_get_sw_speed():
-    body_list = ['STEREO-A', 'BepiColombo']
+    body_list = ['Earth', 'STEREO-A', 'BepiColombo']
     date = '2021-10-28 15:15:00'
-    sm = SolarMACH(date=date, body_list=body_list)
+    sm = SolarMACH(date=date, body_list=body_list, coord_sys='Stonyhurst')
     assert np.round(sm.coord_table[sm.coord_table['Spacecraft/Body']=='STEREO-A']['Vsw'].values[0]) == 365.0
     assert sm.coord_table[sm.coord_table['Spacecraft/Body']=='BepiColombo']['Vsw'].values[0] == 400.0