made it easier

Author: LiamHamsters

src/EFCore.Ydb/test/EntityFrameworkCore.Ydb.FunctionalTests/Query/DecimalParameterizedYdbTheoryTest.cs

@@ -70,10 +70,10 @@ public async Task Decimal_roundtrips_or_rounds_like_ado(int p, int s, decimal va
             ctx.Add(e);
             await ctx.SaveChangesAsync();
 
-            var got = await ctx.Items.SingleAsync(x => x.Id == e.Id);
+            await using var ctx2 = NewCtx(p, s);
+            var got = await ctx2.Items.SingleAsync(x => x.Id == e.Id);
 
-            var expected = Math.Round(value, s, MidpointRounding.ToEven);
-            Assert.Equal(expected, got.Price);
+            Assert.Equal(value, got.Price);
 
             var tms = ctx.GetService<IRelationalTypeMappingSource>();
             var et = ctx.Model.FindEntityType(typeof(ParamItem))!;