Add test for configuration specific CRT callback
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 59786af..ac6736d 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1008,7 +1008,21 @@
             -u "IV used" \
             -U "IV used"
 
-# Test for context-specific CRT verification callback
+# Tests for certificate verification callback
+run_test    "Configuration-specific CRT verification callback" \
+            "$P_SRV debug_level=3" \
+            "$P_CLI context_crt_cb=0 debug_level=3" \
+            0 \
+            -s "Protocol is TLSv1.2" \
+            -s "Ciphersuite is TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256" \
+            -s "client hello v3, signature_algorithm ext: 6" \
+            -s "ECDHE curve: secp521r1" \
+            -S "error" \
+            -c "Verify requested for " \
+            -c "Use configuration-specific verification callback" \
+            -C "Use context-specific verification callback" \
+            -C "error"
+
 run_test    "Context-specific CRT verification callback" \
             "$P_SRV debug_level=3" \
             "$P_CLI context_crt_cb=1 debug_level=3" \
@@ -1018,8 +1032,9 @@
             -s "client hello v3, signature_algorithm ext: 6" \
             -s "ECDHE curve: secp521r1" \
             -S "error" \
-            -c "Use context-specific verification callback"\
-            -C "Use configuration-specific verification callback"\
+            -c "Verify requested for " \
+            -c "Use context-specific verification callback" \
+            -C "Use configuration-specific verification callback" \
             -C "error"
 
 # Tests for rc4 option