Skip the exception-only checks of the stream input tests without exceptions

Signed-off-by: Niels Lohmann <mail@nlohmann.me>

tests/src/unit-file_input.cpp

@@ -170,6 +170,7 @@ TEST_CASE("parsing from a FILE*")
         check_unlocked(f.get());
     }
 
+#if !defined(JSON_NOEXCEPTION)
     SECTION("the file is unlocked after a parse error")
     {
         const file_ptr f = open_with(name, "[1, 2, x]");
@@ -186,6 +187,8 @@ TEST_CASE("parsing from a FILE*")
         CHECK(std::string(rest.data()) == "]");
     }
 
+#endif // !defined(JSON_NOEXCEPTION)
+
     SECTION("the file can be parsed again and read with stdio afterwards")
     {
         const file_ptr f = open_with(name, "[1] [2] tail");