that should do the job

unittest/mpsocTests.cpp

@@ -0,0 +1,14 @@
+
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("MPSoC helper tests", "[payload]") {
+  char divStr[16]{};
+  uint32_t divParam = 0;
+
+  SECTION("Simple Test") {
+    divParam = 3;
+    CHECK(divParam < 999);
+    sprintf(divStr, "DIV%03u", divParam);
+    REQUIRE(strcmp(divStr, "DIV003") == 0);
+  }
+}