A18-0-1: improve testcase

Author: knewbury01

cpp/autosar/test/rules/A18-0-1/test.cpp

@@ -41,4 +41,5 @@
 #include <cwchar>    // COMPLIANT
 #include <cwctype>   // COMPLIANT
 
-#include "lib/assert.h" // COMPLIANT
+#include "lib/assert.h" // COMPLIANT
+#include "time.h" // COMPLIANT - no way to check if this is a local checked in std lib copy

cpp/autosar/test/rules/A18-0-1/time.h

@@ -0,0 +1,4 @@
+#ifndef LIB_TIME_EXAMPLE_H_
+#define LIB_TIME_EXAMPLE_H_
+// may be a user lib or a std lib checked into a project
+#endif