testing: expose subtest and subbenchmark functionality

Fixes #12166

Change-Id: Ie62cba2c39beb5732447ba3688c93c08ef12abb5
Reviewed-on: https://go-review.googlesource.com/18898
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/testing/testing.go b/src/testing/testing.go
index 5c6f16e41a..f9bb43b618 100644
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -548,9 +548,9 @@ func tRunner(t *T, fn func(t *T)) {
 	t.finished = true
 }
 
-// run runs f as a subtest of t called name. It reports whether f succeeded.
+// Run runs f as a subtest of t called name. It reports whether f succeeded.
 // Run will block until all its parallel subtests have completed.
-func (t *T) run(name string, f func(t *T)) bool {
+func (t *T) Run(name string, f func(t *T)) bool {
 	testName, ok := t.context.match.fullName(&t.common, name)
 	if !ok {
 		return true
@@ -721,7 +721,7 @@ func RunTests(matchString func(pat, str string) (bool, error), tests []InternalT
 		}
 		tRunner(t, func(t *T) {
 			for _, test := range tests {
-				t.run(test.Name, test.F)
+				t.Run(test.Name, test.F)
 			}
 			// Run catching the signal rather than the tRunner as a separate
 			// goroutine to avoid adding a goroutine during the sequential