Update early data test

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/opt-testcases/tls13-misc.sh b/tests/opt-testcases/tls13-misc.sh
index c1682e3..b6894de 100755
--- a/tests/opt-testcases/tls13-misc.sh
+++ b/tests/opt-testcases/tls13-misc.sh
@@ -506,4 +506,7 @@
          -s "Sent max_early_data_size=$EARLY_DATA_INPUT_LEN"                \
          -s "ClientHello: early_data(42) extension exists."                 \
          -s "EncryptedExtensions: early_data(42) extension exists."         \
-         -s "$( tail -1 $EARLY_DATA_INPUT )"
+         -s "$( head -1 $EARLY_DATA_INPUT )"                                \
+         -s "$( tail -1 $EARLY_DATA_INPUT )"                                \
+         -s "200 early data bytes read"                                     \
+         -s "106 early data bytes read"