formatter: %p has different results on all platforms -> disabled test

Author: nlitsme

tests/test-formatter.cpp

@@ -43,16 +43,17 @@ TEST_CASE("formatter") {
 
         // how is null handled by %s.
         CHECK( stringformat("%s", nullptr) == "(null)");
-        CHECK( stringformat("%s", NULL) == "0");   // bsd: (null)
+        //CHECK( stringformat("%s", NULL) == "0");   // bsd: (null)  <-- bad test: platform dependent
         CHECK( stringformat("%s", 0) == "0");
         CHECK( stringformat("%s", (const char*)0) == "(null)");
 
         // how is null handled by %p
         CHECK( stringformat("%p", nullptr) == "nullptr");
-        CHECK( stringformat("%p", NULL) == "0");   // bsd: nullptr
+        //CHECK( stringformat("%p", NULL) == "0");   // bsd: nullptr  <-- bad test: platform dependent
         CHECK( stringformat("%p", 0) == "0");
 
-        CHECK( stringformat("%p", (const char*)0) == "0");
+        //CHECK( stringformat("%p", (const char*)0) == "0");
+        //  not a good test: different result for all platforms
         // "%p", (..*)0 -->
         // bsd, osx:  0x0
         // win:       0000000000000000