move tests away from the slow Windows builder

Author: RalfJung

src/tools/miri/ci/ci.sh

@@ -130,6 +130,8 @@ case $HOST_TARGET in
     MIRI_TEST_TARGET=aarch64-unknown-linux-gnu run_tests
     MIRI_TEST_TARGET=aarch64-apple-darwin run_tests
     MIRI_TEST_TARGET=i686-pc-windows-gnu run_tests
+    MIRI_TEST_TARGET=x86_64-pc-windows-gnu run_tests
+    MIRI_TEST_TARGET=arm-unknown-linux-gnueabi run_tests
     # Some targets are only partially supported.
     MIRI_TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal hello integer vec panic/panic concurrency/simple pthread-threadname libc-getentropy libc-getrandom libc-misc libc-fs atomic env align num_cpus
     MIRI_TEST_TARGET=i686-unknown-freebsd run_tests_minimal hello integer vec panic/panic concurrency/simple pthread-threadname libc-getentropy libc-getrandom libc-misc libc-fs atomic env align num_cpus
@@ -145,9 +147,7 @@ case $HOST_TARGET in
     MIRI_TEST_TARGET=x86_64-pc-windows-msvc run_tests
     ;;
   i686-pc-windows-msvc)
-    MIRI_TEST_TARGET=arm-unknown-linux-gnueabi run_tests
     MIRI_TEST_TARGET=x86_64-unknown-linux-gnu run_tests
-    MIRI_TEST_TARGET=x86_64-pc-windows-gnu run_tests
     ;;
   *)
     echo "FATAL: unknown OS"