skip presence test on non darwin

ee/localserver/presence-detection-middleware_test.go

@@ -3,6 +3,7 @@ package localserver
 import (
 	"net/http"
 	"net/http/httptest"
+	"runtime"
 	"testing"
 	"time"
 
@@ -17,6 +18,10 @@ import (
 func TestPresenceDetectionHandler(t *testing.T) {
 	t.Parallel()
 
+	if runtime.GOOS != "darwin" {
+		t.Skip("test only runs on darwin until implemented for other OSes")
+	}
+
 	tests := []struct {
 		name                                              string
 		expectDetectPresenceCall                          bool

ee/localserver/server.go

@@ -413,6 +413,7 @@ func (ls *localServer) rateLimitHandler(next http.Handler) http.Handler {
 func (ls *localServer) presenceDetectionHandler(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 
+		// presence detection is only supported on macos currently
 		if runtime.GOOS != "darwin" {
 			next.ServeHTTP(w, r)
 			return