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

test/ReduceScatter_InPlace.cpp

@@ -13,10 +13,10 @@ namespace RcclUnitTesting
 
     // Configuration
     std::vector<ncclFunc_t>     const funcTypes       = {ncclCollReduceScatter};
-    std::vector<ncclDataType_t> const dataTypes       = {ncclInt8, ncclInt32, ncclInt64, ncclFloat16};
-    std::vector<ncclRedOp_t>    const redOps          = {ncclSum, ncclProd};
+    std::vector<ncclDataType_t> const dataTypes       = {ncclInt8, ncclInt32, ncclInt64};
+    std::vector<ncclRedOp_t>    const redOps          = {ncclProd};
     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     = {true};
     std::vector<bool>           const managedMemList  = {false};
     std::vector<bool>           const useHipGraphList = {false, true};