ci: remove main_tests from matrix

It is set to `1` all the time anyway.

Author: pvdrz

.github/workflows/bindgen.yml

@@ -126,7 +126,6 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         llvm_version: ["9.0", "16.0"]
-        main_tests: [1]
         release_build: [0, 1]
         no_default_features: [0, 1]
         # FIXME: There are no pre-built static libclang libraries, so the
@@ -158,7 +157,6 @@ jobs:
       - name: Run all the tests
         env:
           GITHUB_ACTIONS_OS: ${{matrix.os}}
-          BINDGEN_MAIN_TESTS: ${{matrix.main_tests}}
           BINDGEN_RELEASE_BUILD: ${{matrix.release_build}}
           BINDGEN_FEATURE_RUNTIME: ${{matrix.feature_runtime}}
           BINDGEN_NO_DEFAULT_FEATURES: ${{matrix.no_default_features}}

ci/test.sh

@@ -50,10 +50,8 @@ CARGO_ARGS=`get_cargo_args`
 # Ensure we build without warnings
 RUSTFLAGS="-Dwarnings" cargo check $CARGO_ARGS
 
-if [ "$BINDGEN_MAIN_TESTS" == "1" ]; then
-  # Run the tests
-  (cd bindgen-tests && cargo test $CARGO_ARGS)
-fi
+# Run the tests
+cd bindgen-tests && cargo test $CARGO_ARGS
 
 assert_no_diff