Add client authentication to handshake defragmentation tests

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index a9fd77c..68c9f3f 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -13957,7 +13957,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (512)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -max_send_frag 512 " \
+            "$O_NEXT_CLI -max_send_frag 512 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13965,7 +13965,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (513)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -max_send_frag 513 " \
+            "$O_NEXT_CLI -max_send_frag 513 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13973,7 +13973,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (256)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 256 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 256 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13981,7 +13981,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (128)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 128 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 128 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13989,7 +13989,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (64)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 64 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 64 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13997,7 +13997,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (36)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 36 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 36 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14005,7 +14005,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (32)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 32 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 32 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14013,7 +14013,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (16)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 16 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 16 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14021,7 +14021,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (13)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 13 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 13 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14029,7 +14029,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (5)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 5 " \
+            "$O_NEXT_CLI -mtu 32 -split_send_frag 5 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "