Merge pull request #3915 from pks-t/pks/index-collision-test-leak

tests: index: do not re-allocate index

tests/index/collision.c

@@ -79,8 +79,6 @@ void test_index_collision__add_with_highstage_2(void)
 {
 	git_index_entry entry;
 
-	cl_git_pass(git_repository_index(&g_index, g_repo));
-
 	memset(&entry, 0, sizeof(entry));
 	entry.ctime.seconds = 12346789;
 	entry.mtime.seconds = 12346789;