enable race detector CI for macos-latest (#11715)

.github/workflows/go.yml

@@ -27,7 +27,8 @@ jobs:
           CGO_ENABLED: 0
           GO111MODULE: on
         run: |
-          make test
+          make
+          make test-race
       - name: Build on ${{ matrix.os }}
         if: matrix.os == 'windows-latest'
         env:

buildscripts/race.sh

@@ -3,5 +3,5 @@
 set -e
 
 for d in $(go list ./... | grep -v browser); do
-    CGO_ENABLED=1 go test -v -race --timeout 100m "$d"
+    CGO_ENABLED=1 go test -v -tags kqueue -race --timeout 100m "$d"
 done