Auto merge of rust-lang#15686 - Veykril:param-list-recov, r=Veykril

Only run tests on linux in pull requests

There is little gain from running them on all platforms, they should almost never fail if the linux one pass and if they do, bors will catch it still.

Author: bors

.github/workflows/ci.yaml

@@ -84,6 +84,7 @@ jobs:
         run: cargo build --quiet ${{ env.USE_SYSROOT_ABI }}
 
       - name: Test
+        if: matrix.os == 'ubuntu-latest' || github.event_name == 'push'
         run: cargo test ${{ env.USE_SYSROOT_ABI }} -- --nocapture --quiet
 
       - name: Switch to stable toolchain