Fix failing tracking test (#929)

Fixes #928.

#920 introduced a new test for the `tracking_resource_adaptor::log_outstanding_allocations`, but that function only logs when `SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_DEBUG`, so the test needs to be gated on that condition as well.

Authors:
  - Mark Harris (https://github.com/harrism)

Approvers:
  - Rong Ou (https://github.com/rongou)
  - Vyas Ramasubramani (https://github.com/vyasr)
  - Bradley Dice (https://github.com/bdice)

URL: #929

tests/mr/device/tracking_mr_tests.cpp

@@ -213,8 +213,11 @@ TEST(TrackingTest, LogOutstandingAllocations)
   }
 
   rmm::logger().set_level(spdlog::level::debug);
-  mr.log_outstanding_allocations();
+  EXPECT_NO_THROW(mr.log_outstanding_allocations());
+
+#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_DEBUG
   EXPECT_NE(oss.str().find("Outstanding Allocations"), std::string::npos);
+#endif
 
   for (auto& allocation : allocations) {
     mr.deallocate(allocation, ten_MiB);