Back port TEST_FAIL

Signed-off-by: Agathiyan Bragadeesh <agathiyan.bragadeesh2@arm.com>
diff --git a/tests/suites/test_suite_asn1write.function b/tests/suites/test_suite_asn1write.function
index 06b9edf..81e3c12 100644
--- a/tests/suites/test_suite_asn1write.function
+++ b/tests/suites/test_suite_asn1write.function
@@ -316,7 +316,7 @@
                 buf_complete[data_len + 2] = (unsigned char) (expected_params_len >> 8);
                 buf_complete[data_len + 3] = (unsigned char) (expected_params_len);
             } else {
-                TEST_ASSERT(!"Bad test data: invalid length of ASN.1 element");
+                TEST_FAIL("Bad test data: invalid length of ASN.1 element");
             }
             unsigned char *p = buf_complete;
             TEST_EQUAL(mbedtls_asn1_get_alg(&p, end_complete,