protected OmniSharpTestHost CreateOmniSharpHost( string path = null, IEnumerable <KeyValuePair <string, string> > configurationData = null, DotNetCliVersion dotNetCliVersion = DotNetCliVersion.Current, IEnumerable <ExportDescriptorProvider> additionalExports = null) => OmniSharpTestHost.Create(path, this.TestOutput, configurationData.ToConfiguration(), dotNetCliVersion, additionalExports);