run fewer cross-target cargo-miri tests on Windows, they seem to not work on rustc CI

Author: RalfJung

src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh

@@ -38,9 +38,9 @@ case $HOST in
     python3 "$X_PY" test --stage 2 src/tools/miri --target x86_64-pc-windows-gnu --test-args pass
     ;;
   x86_64-pc-windows-msvc)
-    python3 "$X_PY" test --stage 2 src/tools/miri --target i686-unknown-linux-gnu
     python3 "$X_PY" test --stage 2 src/tools/miri --target x86_64-apple-darwin
     # Only run "pass" tests for the remaining targets, which is quite a bit faster.
+    python3 "$X_PY" test --stage 2 src/tools/miri --target i686-unknown-linux-gnu --test-args pass
     python3 "$X_PY" test --stage 2 src/tools/miri --target aarch64-unknown-linux-gnu --test-args pass
     python3 "$X_PY" test --stage 2 src/tools/miri --target s390x-unknown-linux-gnu --test-args pass
     ;;