add checks for all mapped variables

Author: ayushjariyal

pvlib/tests/iotools/test_psm3.py

@@ -171,11 +171,11 @@ def test_read_psm3_map_variables():
     """test read_psm3 map_variables=True"""
     data, metadata = psm3.read_psm3(MANUAL_TEST_DATA, map_variables=True)
     columns_mapped = ['Year', 'Month', 'Day', 'Hour', 'Minute', 'dhi', 'ghi',
-                      'dni', 'ghi_clear', 'dhi_clear', 'dni_clear',
-                      'Cloud Type', 'temp_dew', 'solar_zenith',
-                      'Fill Flag', 'albedo', 'wind_speed',
-                      'wind_direction', 'precipitable_water',
-                      'relative_humidity', 'temp_air', 'pressure']
+                    'dni', 'ghi_clear', 'dhi_clear', 'dni_clear',
+                    'Cloud Type', 'temp_dew', 'solar_zenith',
+                    'Fill Flag', 'albedo', 'wind_speed',
+                    'wind_direction', 'precipitable_water',
+                    'relative_humidity', 'temp_air', 'pressure']
     data, metadata = psm3.read_psm3(MANUAL_TEST_DATA, map_variables=True)
     assert_index_equal(data.columns, pd.Index(columns_mapped))