.gitignore: Add test/hs/harep

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Dato Simó <dato@google.com>

.gitignore

@@ -85,6 +85,7 @@
 
 # test/hs
 /test/hs/hail
+/test/hs/harep
 /test/hs/hbal
 /test/hs/hcheck
 /test/hs/hinfo