Bug 1304004 - Disable test_dv_certificate.py, test_ev_certificate.py, test_mixed_content_page.py, test_mixed_script_content_blocking.py

testing/firefox-ui/tests/functional/security/manifest.ini

@@ -2,11 +2,15 @@
 tags = remote
 
 [test_dv_certificate.py]
+skip-if = true # 1304004
 [test_enable_privilege.py]
 tags = local
 [test_ev_certificate.py]
+skip-if = true # 1304004
 [test_mixed_content_page.py]
+skip-if = true # 1304004
 [test_mixed_script_content_blocking.py]
+skip-if = true # 1304004
 [test_no_certificate.py]
 tags = local
 [test_safe_browsing_initial_download.py]