test: add "skip"

tests/test-jinja.cpp

@@ -2165,8 +2165,7 @@ static void test_template_cpp(testing & t, const std::string & name, const std::
                 t.log("Actual  : " + json(rendered).dump());
             }
         } catch (const jinja::not_implemented_exception & e) {
-            // TODO @ngxson : remove this when the test framework supports skipping tests
-            t.log("Skipped: " + std::string(e.what()));
+            t.skip(e.what());
         }
     });
 }