[OCaml] Runtime tests for inctest, li_cpointer_cpp and some others

Add runtime tests for inctest, li_cpointer_cpp, newobject2,
special_variables, special_variable_macros, template_extend1, and
template_extend2.

Examples/test-suite/ocaml/special_variable_macros_runme.ml

@@ -0,0 +1,14 @@
+open Swig
+open Special_variable_macros
+
+let _ =
+  let name = new_Name '() in
+  assert (_testFred '(name) as string = "none");
+  assert (_testJack '(name) as string = "$specialname");
+  assert (_testJill '(name) as string = "jilly");
+  assert (_testMary '(name) as string = "SWIGTYPE_p_NameWrap");
+  assert (_testJames '(name) as string = "SWIGTYPE_Name");
+  assert (_testJim '(name) as string = "multiname num");
+  let arg = new_PairIntBool '(10, false) in
+  assert (_testJohn '(arg) as int = 123);
+;;