tests(live): add sanity tests against gdev live chain

The goal is to execute theses tests on a regular basis against the real gdev storage with a scheduled pipeline.

live-tests/tests/sanity_gdev.rs

@@ -203,19 +203,23 @@ mod verifier {
         ) -> anyhow::Result<()> {
             for (idty_index, idty_value) in identities {
                 // Rule 1: each identity should have an account
-                let idty_account = accounts
-                    .get(&idty_value.owner_key)
-                    .unwrap_or_else(|| panic!("Identity {} has no account", idty_index));
-
-                // Rule 2: each identity account should be sufficient
+                let maybe_account = accounts.get(&idty_value.owner_key);
                 self.assert(
-                    idty_account.sufficients > 0,
-                    format!(
-                        "Identity {} is corrupted: idty_account.sufficients == 0",
-                        idty_index
-                    ),
+                    maybe_account.is_some(),
+                    format!("Identity {} has no account", idty_index),
                 );
 
+                if let Some(account) = maybe_account {
+                    // Rule 2: each identity account should be sufficient
+                    self.assert(
+                        account.sufficients > 0,
+                        format!(
+                            "Identity {} is corrupted: idty_account.sufficients == 0",
+                            idty_index
+                        ),
+                    );
+                }
+
                 match idty_value.status {
                     IdtyStatus::Validated => {
                         // Rule 3: If the identity is validated, removable_on shoud be zero