Updates to log flush test

Author: niemyjski

test/Exceptionless.Tests/Log/FileExceptionlessLogTestBase.cs

@@ -22,7 +22,7 @@ public virtual void CanWriteToLogFile() {
             }
         }
 
-        public virtual void LogFlushTimerWorks() {
+        public virtual async Task LogFlushTimerWorks() {
             DeleteLog();
 
             using (var log = GetLog(LOG_FILE)) {
@@ -31,7 +31,7 @@ public virtual void LogFlushTimerWorks() {
                 string contents = log.GetFileContents();
                 Assert.Equal("", contents);
 
-                Thread.Sleep(1010 * 3);
+                await Task.Delay(TimeSpan.FromMilliseconds(3050));
 
                 Assert.True(LogExists(log.FilePath));
                 contents = log.GetFileContents();

test/Exceptionless.Tests/Log/FileExceptionlessLogTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Threading.Tasks;
 using Exceptionless.Logging;
 using Xunit;
 
@@ -16,8 +17,8 @@ public override void CheckSizeDoesNotFailIfLogIsMissing() {
         }
 
         [Fact]
-        public override void LogFlushTimerWorks() {
-            base.LogFlushTimerWorks();
+        public override Task LogFlushTimerWorks() {
+            return base.LogFlushTimerWorks();
         }
 
         [Fact]

test/Exceptionless.Tests/Log/IsolatedStorageFileExceptionlessLogTests.cs

@@ -28,8 +28,8 @@ public override void CheckSizeDoesNotFailIfLogIsMissing() {
         }
 
         [Fact]
-        public override void LogFlushTimerWorks() {
-            base.LogFlushTimerWorks();
+        public override Task LogFlushTimerWorks() {
+            return base.LogFlushTimerWorks();
         }
 
         [Fact]