VtsHalTargetTest: Improve error checks

Wrap subroutine calls with ASSERT_NO_FATAL_FAILURE for better
error handling

Bug: 305866207
Test: atest --test-mapping hardware/interfaces/audio/aidl/vts/

Change-Id: I6a2dc8a0237317b405028148eccda31657b6494d
diff --git a/audio/aidl/vts/VtsHalNSTargetTest.cpp b/audio/aidl/vts/VtsHalNSTargetTest.cpp
index c5a9bad..0618048 100644
--- a/audio/aidl/vts/VtsHalNSTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalNSTargetTest.cpp
@@ -141,12 +141,12 @@
 
 TEST_P(NSParamTest, SetAndGetLevel) {
     addLevelParam(mLevel);
-    SetAndGetParameters();
+    ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
 TEST_P(NSParamTest, SetAndGetType) {
     addLevelParam(mLevel);
-    SetAndGetParameters();
+    ASSERT_NO_FATAL_FAILURE(SetAndGetParameters());
 }
 
 INSTANTIATE_TEST_SUITE_P(