chore(ci): create sequencer integration test workflow

.github/workflows/sequencer_integration_tests.yml

@@ -0,0 +1,29 @@
+name: Sequencer-Integration-Tests-CI-Flow
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - auto_merge_enabled
+      - edited
+
+env:
+  SEQUENCER_INTEGRATION_TESTS: 1
+  RUSTFLAGS: "-D warnings"
+
+# On PR events, cancel existing CI runs on this same PR for this workflow.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.job }}
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
+
+jobs:
+  build-and-run-run-sequencer-integration-tests:
+    runs-on: starkware-ubuntu-latest-large
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/bootstrap
+      - run: |
+          cargo build --bin starknet_sequencer_node
+          cargo test --test end_to_end_integration_test

crates/starknet_integration_tests/src/utils.rs

@@ -227,3 +227,7 @@ pub fn create_batcher_config(
         ..Default::default()
     }
 }
+
+pub fn run_integration_test() -> bool {
+    std::env::var("SEQUENCER_INTEGRATION_TESTS").is_ok()
+}

crates/starknet_integration_tests/tests/end_to_end_integration_test.rs

@@ -10,7 +10,11 @@ use starknet_api::block::BlockNumber;
 use starknet_api::core::{ContractAddress, Nonce};
 use starknet_api::state::StateNumber;
 use starknet_integration_tests::integration_test_setup::IntegrationTestSetup;
-use starknet_integration_tests::utils::{create_integration_test_tx_generator, send_account_txs};
+use starknet_integration_tests::utils::{
+    create_integration_test_tx_generator,
+    run_integration_test,
+    send_account_txs,
+};
 use starknet_sequencer_infra::trace_util::configure_tracing;
 use starknet_sequencer_node::test_utils::compilation::spawn_run_node;
 use starknet_types_core::felt::Felt;
@@ -59,6 +63,10 @@ async fn await_block(
 #[rstest]
 #[tokio::test]
 async fn test_end_to_end_integration(mut tx_generator: MultiAccountTransactionGenerator) {
+    if !run_integration_test() {
+        return;
+    }
+
     const EXPECTED_BLOCK_NUMBER: BlockNumber = BlockNumber(15);
 
     configure_tracing();