modify unittest to match changes in DB

tests/test_database/test_extract_data.py

@@ -165,7 +165,7 @@ class TestExtractData(unittest.TestCase):
         names, all_counts, all_display_strings = get_color_ranges()
         num_color_def = 7
 
-        expected_names = ['antarctica', 'low', 'med', 'high']
+        expected_names = ['Antarctica', 'Low', 'Medium', 'High']
         self.assertEqual(names, expected_names)
 
         # Check that each name correspond to a list of counts and list of