Fix all_tests.go test counts

The numerator is per shard, but the denominator wasn't.

Change-Id: I1afd784038c51b8db51192b9a2b391073675e390
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/70867
Reviewed-by: Bob Beck <bbe@google.com>
Commit-Queue: Bob Beck <bbe@google.com>
Auto-Submit: David Benjamin <davidben@google.com>

util/all_tests.go

diff --git a/util/all_tests.go b/util/all_tests.go
index 3b31ded..6587b54 100644
--- a/util/all_tests.go
+++ b/util/all_tests.go
@@ -395,10 +395,12 @@
 
 	testOutput := testresult.NewResults()
 	var failed, skipped []test
+	var total int
 	for testResult := range results {
 		test := testResult.Test
 		args := test.Cmd
 
+		total++
 		if testResult.Error == errTestSkipped {
 			fmt.Printf("%s\n", test.longName())
 			fmt.Printf("%s was skipped\n", args[0])
@@ -427,14 +429,14 @@
 	}
 
 	if len(skipped) > 0 {
-		fmt.Printf("\n%d of %d tests were skipped:\n", len(skipped), len(testCases))
+		fmt.Printf("\n%d of %d tests were skipped:\n", len(skipped), total)
 		for _, test := range skipped {
 			fmt.Printf("\t%s\n", test.shortName())
 		}
 	}
 
 	if len(failed) > 0 {
-		fmt.Printf("\n%d of %d tests failed:\n", len(failed), len(testCases))
+		fmt.Printf("\n%d of %d tests failed:\n", len(failed), total)
 		for _, test := range failed {
 			fmt.Printf("\t%s\n", test.shortName())
 		}