Rename fixture file to fix case sensitivity issue

Author: andylolz

flattentool/tests/fixtures/xlsx/fundingproviders-grants_2_Grants.xlsx renamed to flattentool/tests/fixtures/xlsx/fundingproviders-grants_2_grants_sheet_title_case.xlsx

@@ -15,17 +15,17 @@ def test_360_main_sheetname_insensitive(tmpdir):
         convert_titles=True)
     output_json_grants = json.load(tmpdir.join('output_grant.json'))
 
-    input_name = 'flattentool/tests/fixtures/xlsx/fundingproviders-grants_2_Grants.xlsx'
+    input_name = 'flattentool/tests/fixtures/xlsx/fundingproviders-grants_2_grants_sheet_title_case.xlsx'
     unflatten(
         input_name=input_name,
-        output_name=tmpdir.join('output_Grant.json').strpath,
+        output_name=tmpdir.join('output_grant_sheet_title_case.json').strpath,
         input_format='xlsx',
         schema='flattentool/tests/fixtures/360-giving-schema.json',
         main_sheet_name='grants',
         root_list_path='grants',
         root_id='',
         convert_titles=True)
-    output_json_Grants = json.load(tmpdir.join('output_Grant.json'))
+    output_json_Grants = json.load(tmpdir.join('output_grant_sheet_title_case.json'))
 
     assert output_json_grants == output_json_Grants