Unit test refactor (#500)

Refactoring and consolidating single-process / multi-process unit testing

test/Gather_OutOfPlace.cpp

@@ -0,0 +1,26 @@
+/*************************************************************************
+ * Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * See LICENSE.txt for license information
+ ************************************************************************/
+#include "TestBed.hpp"
+
+namespace RcclUnitTesting
+{
+  TEST(Gather, OutOfPlace)
+  {
+    TestBed testBed;
+
+    // Configuration
+    std::vector<ncclFunc_t>     const funcTypes      = {ncclCollGather};
+    std::vector<ncclDataType_t> const dataTypes      = {ncclFloat32, ncclFloat64, ncclBfloat16};
+    std::vector<ncclRedOp_t>    const redOps         = {ncclSum};
+    std::vector<int>            const roots          = {1};
+    std::vector<int>            const numElements    = {1048576, 53327, 1024};
+    std::vector<bool>           const inPlaceList    = {false};
+    std::vector<bool>           const managedMemList = {false};
+
+    testBed.RunSimpleSweep(funcTypes, dataTypes, redOps, roots, numElements, inPlaceList, managedMemList);
+    testBed.Finalize();
+  }
+}