Search file init tests enhancement

tests/ttail_search_check.c

 	ttail_free(ttail);
 }
 
-void setup_closest_fileinit(void)
+void setup_closest(void)
 {
 	ttail = ttail_init(1, (char**)&"foo");
+}
+
+void setup_closest_fileinit(void)
+{
+	setup_closest();
 	size_t i;
 	for(i=0; i<5; i++)
 	{
 
 	ret = ttail_search_closest(ttail);
 	ck_assert_int_eq(ret,0);
+	ck_assert(ttail->session->file.vpos == 0);
 	#ifdef HUGEFILE
 	ck_assert_int_eq(ttail->session->file.sz_div,0);
 	#endif