[PM-3581] Fix Postgres Time (#3221)

* Fix Postgres Time

- Migrate Send Tests
- Delete Old Tests

* Formatting

* Update Comment

* Change LaxComparer to Compare Some Milliseconds

* Update Comment

test/Infrastructure.IntegrationTest/Comparers/LaxDateTimeComparer.cs

@@ -0,0 +1,34 @@
+using System.Diagnostics.CodeAnalysis;
+
+namespace Bit.Infrastructure.IntegrationTest.Comparers;
+
+/// <summary>
+/// A datetime comparer that doesn't care about overall ticks and instead allows a configurable allowed difference.
+/// </summary>
+public class LaxDateTimeComparer : IEqualityComparer<DateTime>
+{
+    public static readonly IEqualityComparer<DateTime> Default = new LaxDateTimeComparer(TimeSpan.FromMilliseconds(2));
+    private readonly TimeSpan _allowedDifference;
+
+    public LaxDateTimeComparer(TimeSpan allowedDifference)
+    {
+        _allowedDifference = allowedDifference;
+    }
+
+    public bool Equals(DateTime x, DateTime y)
+    {
+        var difference = x - y;
+        return difference.Duration() < _allowedDifference;
+    }
+
+    public int GetHashCode([DisallowNull] DateTime obj)
+    {
+        // Not used when used for Assert.Equal() overload
+        throw new NotImplementedException();
+    }
+
+    public static int RoundMilliseconds(int milliseconds)
+    {
+        return (int)Math.Round(milliseconds / 100d) * 100;
+    }
+}