Do not use skip in tests for compat with Julia 1.6

Author: Keluaa

test/test_allreduce.jl

@@ -52,17 +52,17 @@ for T = [Int]
             if iallreduce_supported
                 req = MPI.IAllreduce!(send_arr, recv_arr, op, MPI.COMM_WORLD)
                 MPI.Wait(req)
+                @test recv_arr == comm_size .* send_arr
             end
-            @test recv_arr == comm_size .* send_arr skip=!iallreduce_supported
 
             # Nonblocking (IN_PLACE)
             recv_arr = copy(send_arr)
             synchronize()
             if iallreduce_supported
                 req = MPI.IAllreduce!(recv_arr, op, MPI.COMM_WORLD)
                 MPI.Wait(req)
+                @test recv_arr == comm_size .* send_arr
             end
-            @test recv_arr == comm_size .* send_arr skip=!iallreduce_supported
         end
     end
 end

test/test_reduce.jl

@@ -124,19 +124,19 @@ for T = [Int]
             if ireduce_supported
                 req = MPI.IReduce!(send_arr, recv_arr, op, MPI.COMM_WORLD; root=root)
                 MPI.Wait(req)
-            end
-            if isroot
-                @test recv_arr == sz .* send_arr skip=!ireduce_supported
+                if isroot
+                    @test recv_arr == sz .* send_arr
+                end
             end
 
             # Nonblocking (IN_PLACE)
             recv_arr = copy(send_arr)
             if ireduce_supported
                 req = MPI.IReduce!(recv_arr, op, MPI.COMM_WORLD; root=root)
                 MPI.Wait(req)
-            end
-            if isroot
-                @test recv_arr == sz .* send_arr skip=!ireduce_supported
+                if isroot
+                    @test recv_arr == sz .* send_arr
+                end
             end
         end
     end
@@ -157,9 +157,9 @@ recv_arr = isroot ? zeros(eltype(send_arr), size(send_arr)) : nothing
 if ireduce_supported
     req = MPI.IReduce!(send_arr, recv_arr, +, MPI.COMM_WORLD; root=root)
     MPI.Wait(req)
-end
-if rank == root
-    @test recv_arr ≈ [Double64(sz*i)/10 for i = 1:10] rtol=sz*eps(Double64) skip=!ireduce_supported
+    if rank == root
+        @test recv_arr ≈ [Double64(sz*i)/10 for i = 1:10] rtol=sz*eps(Double64)
+    end
 end
 
 MPI.Barrier( MPI.COMM_WORLD )