WIP use catch2 instead of unity

test/main/main.cpp

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <string.h>
+
+static void print_banner(const char* text);
+
+extern "C" {
+  void app_main(void)
+  {
+      print_banner("Running tests without [ignore] tag");
+  }
+}
+
+static void print_banner(const char* text)
+{
+    printf("\n#### %s #####\n\n", text);
+}
+