Make RNG parameters mandatory in DHM functions

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/suites/test_suite_dhm.function b/tests/suites/test_suite_dhm.function
index 62e634a..5286bc7 100644
--- a/tests/suites/test_suite_dhm.function
+++ b/tests/suites/test_suite_dhm.function
@@ -150,7 +150,10 @@
                                           &sec_srv_len,
                                           &mbedtls_test_rnd_pseudo_rand,
                                           &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ), &sec_cli_len, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ),
+                                          &sec_cli_len,
+                                          &mbedtls_test_rnd_pseudo_rand,
+                                          &rnd_info ) == 0 );
 
     TEST_ASSERT( sec_srv_len == sec_cli_len );
     TEST_ASSERT( sec_srv_len != 0 );
@@ -206,7 +209,10 @@
                                           &sec_srv_len,
                                           &mbedtls_test_rnd_pseudo_rand,
                                           &rnd_info ) == 0 );
-    TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ), &sec_cli_len, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ),
+                                          &sec_cli_len,
+                                          &mbedtls_test_rnd_pseudo_rand,
+                                          &rnd_info ) == 0 );
 
     TEST_ASSERT( sec_srv_len == sec_cli_len );
     TEST_ASSERT( sec_srv_len != 0 );