Add more tests for JsonVariantConst

extras/tests/JsonVariant/as.cpp

@@ -251,17 +251,6 @@ TEST_CASE("JsonVariant::as()") {
   }
 #endif
 
-  SECTION("should work on JsonVariantConst") {
-    variant.set("hello");
-
-    JsonVariantConst cvar = variant;
-
-    REQUIRE(cvar.as<bool>() == true);
-    REQUIRE(cvar.as<long>() == 0L);
-    REQUIRE(cvar.as<const char*>() == std::string("hello"));
-    REQUIRE(cvar.as<std::string>() == std::string("hello"));
-  }
-
   SECTION("as<enum>()") {
     variant.set(1);