Test: Add PSA PS NS interface test suite

Adds a test suite for the PSA Protected Storage non-secure API.

Change-Id: I3d7d8cd3f54f0e62b1fc763728698ab353f7f011
Signed-off-by: Jamie Fox <jamie.fox@arm.com>
diff --git a/test/framework/non_secure_suites.c b/test/framework/non_secure_suites.c
index 35890d9..9c1489d 100644
--- a/test/framework/non_secure_suites.c
+++ b/test/framework/non_secure_suites.c
@@ -36,7 +36,9 @@
 #ifdef SERVICES_TEST_NS
     /* List test cases which compliant with level 1 isolation */
 
-#ifndef PSA_PROTECTED_STORAGE
+#ifdef PSA_PROTECTED_STORAGE
+    {&register_testsuite_ns_psa_ps_interface, 0, 0, 0},
+#else /* PSA_PROTECTED_STORAGE */
     /* Non-secure SST test cases */
     {&register_testsuite_ns_sst_interface, 0, 0, 0},
 
@@ -49,7 +51,7 @@
 #endif /* TFM_PARTITION_TEST_SST */
 
 #endif /* TFM_NS_CLIENT_IDENTIFICATION */
-#endif /* !PSA_PROTECTED_STORAGE */
+#endif /* PSA_PROTECTED_STORAGE */
 
     /* Non-secure Audit Logging test cases */
     {&register_testsuite_ns_audit_interface, 0, 0, 0},