Redone tests

./codecov is a stalled version for code coverage. It will be merged with main when the library is done with breaking changes

tests/main/main.c

@@ -1,3 +1,5 @@
+#include <utl/timer.h>
+
 #include "unt/deque.c"
 #include "unt/hashmap.c"
 #include "unt/hashset.c"
@@ -9,11 +11,15 @@
 #include "unt/treemap.c"
 #include "unt/treeset.c"
 
+#include "unt/intervalheap.c"
 #include "unt/multimap.c"
 #include "unt/multiset.c"
 
 int main(void)
 {
+    cmc_timer timer;
+
+    cmc_timer_start(timer);
     uintmax_t failed = 0;
 
     failed += deque_test();
@@ -28,8 +34,16 @@ int main(void)
     failed += treeset_test();
 
     /* ext */
+    failed += intervalheap_test();
     failed += multimap_test();
     failed += multiset_test();
 
+    cmc_timer_stop(timer);
+    cmc_timer_calc(timer);
+
+    printf("+--------------------------------------------------+\n");
+    printf("| Total running time : %14.0lf milliseconds |\n", timer.result);
+    printf("+--------------------------------------------------+\n");
+
     return failed;
 }