fix(test): fixed file name for case sensitive linux environments

Author: rlabbeptc

Kepware.Api.Test/ApiClient/_TestApiClientBase.cs

@@ -221,7 +221,7 @@ protected async Task ConfigureToServeEndpoints(string filePath = "_data/simdemo_
 
             // Additional endpoints for content=serialize mocking
             var projectPropertiesString = await File.ReadAllTextAsync("_data/projectLoadSerializeData/projectProperties.json");
-            var channel1String = await File.ReadAllTextAsync("_data/projectLoadSerializeData/channel1.json");
+            var channel1String = await File.ReadAllTextAsync("_data/projectLoadSerializeData/Channel1.json");
             var sixteenBitDeviceString = await File.ReadAllTextAsync("_data/projectLoadSerializeData/dataTypeExamples.16BitDevice.json");
             var simExamplesChannelString = await File.ReadAllTextAsync("_data/projectLoadSerializeData/simulationExamples.json");
             var dte8BitBRegTagGroupString = await File.ReadAllTextAsync("_data/projectLoadSerializeData/dte.8bitDevice.Breg.json");