test as independent job

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

.github/workflows/bindgen.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - rfl-ci-test
   pull_request:
     branches:
       - main
@@ -153,6 +154,7 @@ jobs:
         # `static` feature is not testable atm.
         feature_runtime: [0, 1]
         feature_extra_asserts: [0]
+        rust_for_linux_test: [0]
 
         include:
           # Test with extra asserts + docs just with latest llvm versions to
@@ -186,6 +188,15 @@ jobs:
             release_build: 0
             no_default_features: 0
             feature_extra_asserts: 0
+
+          - os: ubuntu-latest
+            llvm_version: "16.0"
+            main_tests: 0
+            release_build: 0
+            no_default_features: 0
+            feature_extra_asserts: 0
+            rust_for_linux_test: 1
+
     steps:
       - uses: actions/checkout@v3
 
@@ -227,7 +238,7 @@ jobs:
           BINDGEN_FEATURE_RUNTIME: ${{matrix.feature_runtime}}
           BINDGEN_FEATURE_EXTRA_ASSERTS: ${{matrix.feature_extra_asserts}}
           BINDGEN_NO_DEFAULT_FEATURES: ${{matrix.no_default_features}}
-          BINDGEN_RUST_FOR_LINUX_TEST: ${{matrix.os == 'ubuntu-latest' && matrix.llvm_version == '16.0' && matrix.feature_extra_asserts == 0 && 1 || 0}}
+          BINDGEN_RUST_FOR_LINUX_TEST: ${{matrix.rust_for_linux_test}}
         run: ./ci/test.sh
 
   check-cfg: