Test: Enable NSID tests

Enable NSID tests when both TFM_NS_MANAGE_NSID and TEST_NS are enabled.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: I863338f302228bfd9cd95da34ab1939037f64e73
diff --git a/test/config/default_ns_test_config.cmake b/test/config/default_ns_test_config.cmake
index e0ff37c..5c46f0b 100644
--- a/test/config/default_ns_test_config.cmake
+++ b/test/config/default_ns_test_config.cmake
@@ -25,3 +25,4 @@
 set(TEST_NS_SLIH_IRQ        OFF       CACHE BOOL      "Whether to build NS regression Second-Level Interrupt Handling tests")
 set(TEST_NS_FLIH_IRQ        OFF       CACHE BOOL      "Whether to build NS regression First-Level Interrupt Handling tests")
 set(TEST_NS_MULTI_CORE      ON        CACHE BOOL      "Whether to build NS regression multi-core tests")
+set(TEST_NS_MANAGE_NSID     ON        CACHE BOOL      "Whether to build NS regression NSID management tests")