test(rme): rxtx buffers are in the realm PAS

Added a test for which the SPMC attempts to use the RXTX
buffers, in an RME enabled platform and in which the buffers
were changed to realm PAS.

Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: Idb29f8687fbe5885c00e61155a5ebbdd8908d688
diff --git a/tftf/tests/tests-memory-access.xml b/tftf/tests/tests-memory-access.xml
index 4318cc9..fa8a8a4 100644
--- a/tftf/tests/tests-memory-access.xml
+++ b/tftf/tests/tests-memory-access.xml
@@ -57,6 +57,8 @@
                 function="test_ffa_mem_send_sp_realm_memory" />
       <testcase name="FF-A memory share fail realm memory other constituent"
                 function="test_ffa_mem_lend_sp_realm_memory_separate_constituent" />
+      <testcase name="FF-A partition info get after NWd RX is in realm PAS"
+                function="test_ffa_rxtx_to_realm_pas" />
   </testsuite>
 
 </testsuites>