version: fix earlier test/wording mistakes

Updates #14069

Change-Id: I1d2fd8a8ab6591af11bfb83748b94342a8ac718f
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

version/version_checkformat.go

@@ -9,7 +9,7 @@ import "fmt"
 
 func init() {
 	// For official Android builds using the tailscale_go toolchain,
-	// panic if the builder is screwed up we fail to stamp a valid
+	// panic if the builder is screwed up and we fail to stamp a valid
 	// version string.
 	if !isValidLongWithTwoRepos(Long()) {
 		panic(fmt.Sprintf("malformed version.Long value %q", Long()))

version/version_internal_test.go

@@ -14,7 +14,6 @@ func TestIsValidLongWithTwoRepos(t *testing.T) {
 		{"1.2.259-t01234abcde-g01234abcde", true}, // big patch version
 		{"1.2.3-t01234abcde", false},              // missing repo
 		{"1.2.3-g01234abcde", false},              // missing repo
-		{"1.2.3-g01234abcde", false},              // missing repo
 		{"-t01234abcde-g01234abcde", false},
 		{"1.2.3", false},
 		{"1.2.3-t01234abcde-g", false},