Only run X.509 CRT verification tests with CA callback tests if !CRL
diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index e90ddc4..1d9218a 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -440,12 +440,17 @@
     TEST_ASSERT( flags == (uint32_t)( flags_result ) );
 
 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-    flags = 0;
+    /* CRLs aren't supported with CA callbacks, so skip the CA callback
+     * version of the test of CRLs are in use. */
+    if( crl_file == NULL || strcmp( crl_file, "" ) == 0 )
+    {
+        flags = 0;
 
-    res = mbedtls_x509_crt_verify_with_cb( &crt, ca_callback, &ca, profile, cn_name, &flags, f_vrfy, NULL );
+        res = mbedtls_x509_crt_verify_with_cb( &crt, ca_callback, &ca, profile, cn_name, &flags, f_vrfy, NULL );
 
-    TEST_ASSERT( res == ( result ) );
-    TEST_ASSERT( flags == (uint32_t)( flags_result ) );
+        TEST_ASSERT( res == ( result ) );
+        TEST_ASSERT( flags == (uint32_t)( flags_result ) );
+    }
 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 exit:
     mbedtls_x509_crt_free( &crt );