bytes, strings: use "reports whether" in HasPrefix and HasSuffix

Update the doc comments to use the more idiomatic and common phrase
"reports whether" instead of "tests whether".

Change-Id: I2b7f8cce2d192f66e296ebaa9b37f37e8276b4ae
Reviewed-on: https://go-review.googlesource.com/c/go/+/524898
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/bytes/bytes.go b/src/bytes/bytes.go
index 7ecf3b59f6..9ee66cae4e 100644
--- a/src/bytes/bytes.go
+++ b/src/bytes/bytes.go
@@ -552,12 +552,12 @@ func Join(s [][]byte, sep []byte) []byte {
 	return b
 }
 
-// HasPrefix tests whether the byte slice s begins with prefix.
+// HasPrefix reports whether the byte slice s begins with prefix.
 func HasPrefix(s, prefix []byte) bool {
 	return len(s) >= len(prefix) && Equal(s[0:len(prefix)], prefix)
 }
 
-// HasSuffix tests whether the byte slice s ends with suffix.
+// HasSuffix reports whether the byte slice s ends with suffix.
 func HasSuffix(s, suffix []byte) bool {
 	return len(s) >= len(suffix) && Equal(s[len(s)-len(suffix):], suffix)
 }