Make rate limit test more lenient (#311)

* Make rate limit test more lenient

* Fix spelling of Throttle and increase rate limiter test maximum interval to 65s

FortnoxSDK.Tests/RateLimiterTests.cs

@@ -37,9 +37,10 @@ public async Task Test_RateLimiter_NoError()
         /*
          * Given the rate limiter of 4 requests per second,
          * 200 requests should be executed in ~50 seconds.
+         * Note: time per request might be longer than 250ms, hence the longer maximum allowed elapsed time
          */
         Assert.AreEqual(200, counter);
-        Assert.IsTrue(watch.Elapsed.TotalSeconds is > 49 and < 51);
+        Assert.IsTrue(watch.Elapsed.TotalSeconds is > 49 and < 65);
     }
 
     [Ignore("Can make other test fail due to exhausting rate limiter")]

FortnoxSDK/Connectors/Base/BaseClient.cs

@@ -26,7 +26,7 @@ public async Task<byte[]> SendAsync(HttpRequestMessage request)
             Authorization?.ApplyTo(request);
 
             if (UseRateLimiter)
-                await RateLimiter.Trottle(Authorization?.AccessToken).ConfigureAwait(false);
+                await RateLimiter.Throttle(Authorization?.AccessToken).ConfigureAwait(false);
 
             using var response = await HttpClient.SendAsync(request).ConfigureAwait(false);
 

FortnoxSDK/Connectors/Base/RateLimiter.cs

@@ -10,13 +10,13 @@ namespace Fortnox.SDK.Connectors.Base;
 /// Rate limit - 4 requests per 1 seconds per token
 /// </summary>
 internal class RateLimiter
-{    
+{
     private const int MaxCount = 4;
     private static readonly TimeSpan Period = TimeSpan.FromSeconds(1);
-    
+
     private static readonly Dictionary<string, TimeLimiter> RateLimiters = new();
 
-    public async Task Trottle(string token)
+    public async Task Throttle(string token)
     {
         if (token == null)
             return;