Catch2 Test Fixes (#2961)

* test fixes

* address PR comment

* PR comment fixing Nvidia pass

* add additional kernel launch checks

* pr comments


[ROCm/hip-tests commit: da453211ed]

projects/hip-tests/catch/unit/deviceLib/AtomicAdd_NonCoherent_withoutflag.cc

@@ -73,6 +73,7 @@ TEMPLATE_TEST_CASE("Unit_AtomicAdd_NonCoherentwithoutflag", "",
                          dim3(1), dim3(1),
                          0, 0, A_d,
                          result_d);
+      HIP_CHECK(hipGetLastError()); 
       HIP_CHECK(hipDeviceSynchronize());
         bool testResult;
       REQUIRE(A_h[0] == INITIAL_VAL + INC_VAL);