Move testing of mbedtls_blowfish_free() to separate test case
It should be tested regardless of the setting of MBEDTLS_CHECK_PARAMS.
diff --git a/tests/suites/test_suite_blowfish.data b/tests/suites/test_suite_blowfish.data
index e1a614c..fd172d3 100644
--- a/tests/suites/test_suite_blowfish.data
+++ b/tests/suites/test_suite_blowfish.data
@@ -1,4 +1,7 @@
-Blowfish parameter validation
+BLOWFISH - Valid parameters
+blowfish_valid_param:
+
+BLOWFISH - Invalid parameters
blowfish_invalid_param:
BLOWFISH-ECB Encrypt SSLeay reference #1