test: rename http fetch and push test files

Make clear which one is for dumb protocol, which one is for smart from
their file name.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t5540-http-push.sh b/t/t5540-http-push-webdav.sh
similarity index 100%
rename from t/t5540-http-push.sh
rename to t/t5540-http-push-webdav.sh

diff --git a/t/t5541-http-push.sh b/t/t5541-http-push-smart.sh
similarity index 100%
rename from t/t5541-http-push.sh
rename to t/t5541-http-push-smart.sh

diff --git a/t/t5550-http-fetch.sh b/t/t5550-http-fetch-dumb.sh
similarity index 100%
rename from t/t5550-http-fetch.sh
rename to t/t5550-http-fetch-dumb.sh

diff --git a/t/t5551-http-fetch.sh b/t/t5551-http-fetch-smart.sh
similarity index 100%
rename from t/t5551-http-fetch.sh
rename to t/t5551-http-fetch-smart.sh