internal/testtext: expose bool returned by testing.Run

Change-Id: I79e65bcf646b69fba6e2fa5624ef2dda1cb940df
Reviewed-on: https://go-review.googlesource.com/28131
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Nigel Tao <nigeltao@golang.org>

Author: mpvl

internal/testtext/go1_6.go

@@ -8,7 +8,8 @@ package testtext
 
 import "testing"
 
-func Run(t *testing.T, name string, fn func(t *testing.T)) {
+func Run(t *testing.T, name string, fn func(t *testing.T)) bool {
 	t.Logf("Running %s...", name)
 	fn(t)
+	return t.Failed()
 }

internal/testtext/go1_7.go

@@ -8,6 +8,6 @@ package testtext
 
 import "testing"
 
-func Run(t *testing.T, name string, fn func(t *testing.T)) {
-	t.Run(name, fn)
+func Run(t *testing.T, name string, fn func(t *testing.T)) bool {
+	return t.Run(name, fn)
 }