message/pipeline: skip test on GOOS=android

Change-Id: Ia5a915d14150465a916fd8fde1490794a60348ae
Reviewed-on: https://go-review.googlesource.com/c/text/+/165757
Run-TryBot: Elias Naur <mail@eliasnaur.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/message/pipeline/pipeline_test.go b/message/pipeline/pipeline_test.go
index 293101b..4550455 100644
--- a/message/pipeline/pipeline_test.go
+++ b/message/pipeline/pipeline_test.go
@@ -14,6 +14,7 @@
 	"os"
 	"path"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 
@@ -26,6 +27,9 @@
 var setHelper = func(t *testing.T) {}
 
 func TestFullCycle(t *testing.T) {
+	if runtime.GOOS == "android" {
+		t.Skip("cannot load outside packages on android")
+	}
 	const path = "./testdata"
 	dirs, err := ioutil.ReadDir(path)
 	if err != nil {