For tests, rename TEST_CALLOC_OR_FAIL() to just TEST_CALLOC()

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/suites/test_suite_random.function b/tests/suites/test_suite_random.function
index f2da0ce..dfc4e85 100644
--- a/tests/suites/test_suite_random.function
+++ b/tests/suites/test_suite_random.function
@@ -163,7 +163,7 @@
     unsigned char *output = NULL;
 
     PSA_ASSERT(psa_crypto_init());
-    TEST_CALLOC_OR_FAIL(output, n);
+    TEST_CALLOC(output, n);
 
     TEST_EQUAL(0, mbedtls_psa_get_random(MBEDTLS_PSA_RANDOM_STATE,
                                          output, n));