apply code review

Co-authored-by: Marten Seemann <martenseemann@gmail.com>

peer/record_test.go

@@ -56,11 +56,11 @@ func TestSignedPeerRecordFromEnvelope(t *testing.T) {
 // This is pretty much guaranteed to pass on Linux no matter how we implement it, but Windows has
 // low clock precision. This makes sure we never get a duplicate.
 func TestTimestampSeq(t *testing.T) {
-	last := uint64(0)
+	var last uint64
 	for i := 0; i < 1000; i++ {
 		next := TimestampSeq()
 		if next <= last {
-			t.Errorf("non-increasing timestampfound: %d <= %d", next, last)
+			t.Errorf("non-increasing timestamp found: %d <= %d", next, last)
 		}
 		last = next
 	}