♻ replace further alternative operators

test/src/unit-assert_macro.cpp

@@ -44,7 +44,7 @@ static int assert_counter;
 using nlohmann::json;
 
 // the test assumes exceptions to work
-#if not defined(JSON_NOEXCEPTION)
+#if !defined(JSON_NOEXCEPTION)
 TEST_CASE("JSON_ASSERT(x)")
 {
     SECTION("basic_json(first, second)")

test/src/unit-class_parser.cpp

@@ -314,7 +314,7 @@ void comments_helper(const std::string& s)
     {
         CAPTURE(json_with_comment)
         CHECK_THROWS_AS(_ = json::parse(json_with_comment), json::parse_error);
-        CHECK(not json::accept(json_with_comment));
+        CHECK(!json::accept(json_with_comment));
 
         CHECK_NOTHROW(_ = json::parse(json_with_comment, nullptr, true, true));
         CHECK(json::accept(json_with_comment, true));