Publish the Session Terminal fixture generation

crates/lazaret-host-coordinator/tests/runtime-composition.rs

@@ -287,7 +287,9 @@ fn run_session_terminal_matrix() -> Result<(), MatrixError> {
             .join(hex(ContainerId::new([6; 32]).as_bytes()))
             .join("bin/lazaret-sandbox-init"),
     )?;
+    set_fixture_generation_decision(&fixture.store, DurableDecision::Preparing)?;
     let runtime = fixture.launch_committed()?;
+    set_fixture_generation_decision(&fixture.store, DurableDecision::Published)?;
     let session_id = SessionId::new([31; 32]);
     let mut session = Session {
         generation_id: GenerationId::new(7),
@@ -441,6 +443,23 @@ fn run_session_terminal_matrix() -> Result<(), MatrixError> {
         .map_err(failure)
 }
 
+fn set_fixture_generation_decision(
+    store: &HostCoordinatorDomainStore,
+    decision: DurableDecision,
+) -> Result<(), MatrixError> {
+    let mut generation = store
+        .snapshot()
+        .map_err(failure)?
+        .generations
+        .into_iter()
+        .find(|generation| generation.generation_id == GenerationId::new(7))
+        .ok_or_else(|| failure("Session Terminal fixture generation is absent"))?;
+    generation.durable_decision = decision;
+    store
+        .apply(&[DomainStoreMutation::PutGeneration(generation)])
+        .map_err(failure)
+}
+
 fn wait_for_path(path: &Path) -> Result<(), MatrixError> {
     for _ in 0..2_000 {
         if path.is_file() {