bump timeout higher, value shouldn't matter unless latch isn't triggered (#276)

* bump timeout higher, value shouldn't matter unless latch isn't triggered

* reduce timeout

Author: elachlan

test/Exceptionless.Tests/Storage/PersistedDictionaryTests.cs

@@ -36,7 +36,7 @@ public void WillSaveOnce() {
 
             dict["test"] = "test";
             Assert.Equal(11, dict.Count);
-            success = latch.Wait(500);
+            success = latch.Wait(1000);
             Assert.True(success, "Failed to save dictionary.");
             Assert.True(storage.Exists("test.json"));
         }

test/Exceptionless.Tests/Utility/CountDownLatch.cs

@@ -12,7 +12,7 @@ public CountDownLatch(int count) {
 
         public void Reset(int count) {
             if (count < 0)
-                throw new ArgumentOutOfRangeException();
+                throw new ArgumentOutOfRangeException(nameof(count));
             _remaining = count;
             _event = new ManualResetEventSlim(false);
             if (_remaining == 0)