Run STATISTICS_TEST and TRACKING_TEST in serial to avoid OOM errors. (#…

…1487)

There have been out-of-memory errors reported in `STATISTICS_TEST` and `TRACKING_TEST`. This PR serializes the execution of those tests, in an attempt to avoid the reported failures.

Closes #1486.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - Kyle Edwards (https://github.com/KyleFromNVIDIA)
  - Robert Maynard (https://github.com/robertmaynard)

URL: #1487

tests/CMakeLists.txt

@@ -145,10 +145,10 @@ ConfigureTest(POLYMORPHIC_ALLOCATOR_TEST mr/device/polymorphic_allocator_tests.c
 ConfigureTest(STREAM_ADAPTOR_TEST mr/device/stream_allocator_adaptor_tests.cpp)
 
 # statistics adaptor tests
-ConfigureTest(STATISTICS_TEST mr/device/statistics_mr_tests.cpp)
+ConfigureTest(STATISTICS_TEST mr/device/statistics_mr_tests.cpp GPUS 1 PERCENT 100)
 
 # tracking adaptor tests
-ConfigureTest(TRACKING_TEST mr/device/tracking_mr_tests.cpp)
+ConfigureTest(TRACKING_TEST mr/device/tracking_mr_tests.cpp GPUS 1 PERCENT 100)
 
 # out-of-memory callback adaptor tests
 ConfigureTest(FAILURE_CALLBACK_TEST mr/device/failure_callback_mr_tests.cpp)