Move AES_PSA_INIT to after drbg init

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_ctr_drbg.function b/tests/suites/test_suite_ctr_drbg.function
index a19dea3..78a63ea 100644
--- a/tests/suites/test_suite_ctr_drbg.function
+++ b/tests/suites/test_suite_ctr_drbg.function
@@ -363,11 +363,11 @@
      * as this was the value used when the expected answers were calculated. */
     const size_t entropy_len = 48;
 
-    AES_PSA_INIT();
-
     mbedtls_ctr_drbg_context ctx;
     mbedtls_ctr_drbg_init(&ctx);
 
+    AES_PSA_INIT();
+
     TEST_CALLOC(threads, sizeof(mbedtls_test_thread_t) * thread_count);
     memset(out, 0, sizeof(out));