test(test_render_mail.py): update relative path to fetch data correctly

Issue pycontw#7

Author: tai271828

tests/test_render_mail.py

@@ -7,12 +7,12 @@
 from render_mail import main
 
 
-path_j2 = "../templates/sponsorship/spam_sponsors_2020.j2"
-path_receivers_json = "../examples/sponsorship/spam_sponsors_2020.json"
+path_j2 = "./templates/sponsorship/spam_sponsors_2020.j2"
+path_receivers_json = "./examples/sponsorship/spam_sponsors_2020.json"
 path_mails_to_send_no_separator = "/tmp/mails_to_send/no-separator"
 path_mails_to_send_with_separator = "/tmp/mails_to_send/with-separator"
-path_pre_rendered_mails_no_separator = "./data/no-separator"
-path_pre_rendered_mails_with_separator = "./data/with-separator"
+path_pre_rendered_mails_no_separator = "./tests/data/no-separator"
+path_pre_rendered_mails_with_separator = "./tests/data/with-separator"
 
 
 @pytest.fixture