Change section to utils

tests/test_PastisAssert.cpp

@@ -3,7 +3,7 @@
 #include <PastisAssert.hpp>
 #include <string>
 
-TEST_CASE("PastisAssert", "[assert]") {
+TEST_CASE("PastisAssert", "[utils]") {
   SECTION("checking for assert error") {
     const std::string filename = "filename";
     const int line = 10;