lcov for tests

tests/main.c

@@ -28,6 +28,8 @@
 
 #include "unt_foreach.h"
 
+#include "unt_tostring.h"
+
 #include "cmc/utl/assert.h"
 #include "cmc/utl/timer.h"
 
@@ -106,5 +108,7 @@ int main(void)
     printf(" | Total Runtime        : %25.0lf milliseconds |\n", timer.result);
     printf(" +---------------------------------------------------------------+\n");
 
+    cmc_unt_tostring();
+
     return tests;
 }