t7101, t7014: rename test files to indicate what that file is for

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

diff --git a/t/t7101-reset.sh b/t/t7101-reset-empty-subdirs.sh
similarity index 100%
rename from t/t7101-reset.sh
rename to t/t7101-reset-empty-subdirs.sh

diff --git a/t/t7104-reset.sh b/t/t7104-reset-hard.sh
similarity index 100%
rename from t/t7104-reset.sh
rename to t/t7104-reset-hard.sh