UnitTests: made reduceScatter run a smaller amount of tests (#691)

[ROCm/rccl commit: d119c0886e]

projects/rccl/test/ReduceScatter_OutOfPlace.cpp

@@ -13,10 +13,10 @@ namespace RcclUnitTesting
 
     // Configuration
     std::vector<ncclFunc_t>     const funcTypes       = {ncclCollReduceScatter};
-    std::vector<ncclDataType_t> const dataTypes       = {ncclFloat16, ncclFloat32, ncclFloat64, ncclBfloat16};
-    std::vector<ncclRedOp_t>    const redOps          = {ncclMin, ncclMax, ncclAvg};
+    std::vector<ncclDataType_t> const dataTypes       = {ncclFloat32, ncclFloat64, ncclBfloat16};
+    std::vector<ncclRedOp_t>    const redOps          = {ncclMax};
     std::vector<int>            const roots           = {0};
-    std::vector<int>            const numElements     = {1048576, 53327, 5461, 1024};
+    std::vector<int>            const numElements     = {1048576, 53327, 1024};
     std::vector<bool>           const inPlaceList     = {false};
     std::vector<bool>           const managedMemList  = {false};
     std::vector<bool>           const useHipGraphList = {false, true};