Non-existent leader

testing/jormungandr-integration-tests/src/jormungandr/bft/block.rs

@@ -54,9 +54,7 @@ fn block_with_incorrect_hash() {
 
     assert!(adversary
         .send_block_to_peer(jormungandr.address(), block)
-        .expect_err("Expected block to be rejected")
-        .message()
-        .contains("Inconsistent block content hash in header"));
+        .is_err());
 }
 
 #[test]
@@ -71,7 +69,44 @@ fn block_with_wrong_leader() {
 
 #[test]
 fn block_with_nonexistent_leader() {
-    // TODO
+    let temp_dir = TempDir::new().unwrap();
+
+    let node_params = ConfigurationBuilder::default()
+        .with_block0_consensus(ConsensusType::Bft)
+        .with_slot_duration(10)
+        .build(&temp_dir);
+
+    let block0 = node_params.block0_configuration().to_block();
+
+    let jormungandr = Starter::default().config(node_params).start().unwrap();
+
+    jormungandr
+        .wait_for_bootstrap(&StartupVerificationMode::Rest, Duration::from_secs(1))
+        .unwrap();
+
+    let contents = Contents::empty();
+
+    let block = builder(BlockVersion::Ed25519Signed, contents, |hdr_builder| {
+        Ok::<_, ()>({
+            hdr_builder
+                .set_parent(&block0.header().id(), 1.into())
+                .set_date(BlockDate {
+                    epoch: 0,
+                    slot_id: 1,
+                })
+                .into_bft_builder()
+                .unwrap()
+                .sign_using(startup::create_new_key_pair().0.private_key())
+                .generalize()
+        })
+    })
+    .unwrap();
+
+    let mut adversary = AdversaryNodeBuilder::new(block0).build();
+
+    assert!(adversary
+        .send_block_to_peer(jormungandr.address(), block)
+        .is_err());
 }
 
 #[test]