chore(http): add test for validity of cli

meilisearch-http/src/option.rs

@@ -258,3 +258,13 @@ fn load_ocsp(filename: &Option<PathBuf>) -> anyhow::Result<Vec<u8>> {
 
     Ok(ret)
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_valid_opt() {
+        assert!(Opt::try_parse_from(Some("")).is_ok());
+    }
+}