run tests just on this branch for now

.github/workflows/temp-ledger-emulator.yml

@@ -0,0 +1,30 @@
+name: Temporary Ledger Emulator Tests
+on:
+  push:
+    branches:
+      - AhaLabs:fix/troubleshooting-emulator-tests
+  pull_request_target:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_protected == 'true' && github.sha || github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  emulator-tests:
+    runs-on: ubuntu-latest
+    env:
+      CI_TESTS: true
+    steps:
+      - uses: actions/checkout@v3
+      - uses: stellar/actions/rust-cache@main
+      - name: install libudev-dev
+        run: |
+          sudo apt install -y libudev-dev
+      - run: |
+          cargo test --manifest-path cmd/crates/stellar-ledger/Cargo.toml --features "emulator-tests" -- --nocapture