diff --git a/LogicMonitor.Api.Test/Data/DataTests.cs b/LogicMonitor.Api.Test/Data/DataTests.cs
index 18f0c9f6..0f3fd733 100644
--- a/LogicMonitor.Api.Test/Data/DataTests.cs
+++ b/LogicMonitor.Api.Test/Data/DataTests.cs
@@ -40,7 +40,7 @@ public async Task GetForecastGraphData()
 				default)
 			.ConfigureAwait(true);
 
-		forecastGraphData.TrainingGraphData.Lines.Should().HaveCount(1);
+		forecastGraphData.TrainingGraphData.Lines.Should().ContainSingle();
 		forecastGraphData.ForecastedGraphData.Lines.Should().HaveCount(3);
 	}
 
diff --git a/LogicMonitor.Api.Test/Settings/CollectorGroupTests.cs b/LogicMonitor.Api.Test/Settings/CollectorGroupTests.cs
index 5e4cecfb..1defee8f 100644
--- a/LogicMonitor.Api.Test/Settings/CollectorGroupTests.cs
+++ b/LogicMonitor.Api.Test/Settings/CollectorGroupTests.cs
@@ -70,7 +70,7 @@ await LogicMonitorClient
 		newCollectorGroupRefetch.Description.Should().NotBeNull();
 		newCollectorGroupRefetch.CustomProperties.Should().NotBeNull();
 		newCollectorGroupRefetch.CustomProperties.Should().NotBeNullOrEmpty();
-		newCollectorGroupRefetch.CustomProperties.Should().HaveCount(1);
+		newCollectorGroupRefetch.CustomProperties.Should().ContainSingle();
 		newCollectorGroupRefetch.CustomProperties[0].Name.Should().Be("a");
 		newCollectorGroupRefetch.CustomProperties[0].Value.Should().Be("b");