mount: allow tests to run on CI

cmd/mount/mount_test.go

@@ -4,17 +4,11 @@
 package mount
 
 import (
-	"runtime"
 	"testing"
 
-	"github.com/rclone/rclone/fstest/testy"
 	"github.com/rclone/rclone/vfs/vfstest"
 )
 
 func TestMount(t *testing.T) {
-	if runtime.NumCPU() <= 2 {
-		t.Skip("FIXME skipping mount tests as they lock up on <= 2 CPUs - See: https://github.com/rclone/rclone/issues/3154")
-	}
-	testy.SkipUnreliable(t)
 	vfstest.RunTests(t, false, mount)
 }