Typo fix

Author: Kormos Tamás

tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockFileSystemTests.cs

@@ -296,7 +296,7 @@ public void MockFileSystem_AddFile_InitializesMockFileDataFileVersionInfoIfNull(
             fileSystem.AddFile(XFS.Path(@"C:\file.txt"), string.Empty);
 
             // Assert
-            IFileVersionInfo fileVersionInfo = fileSystem.FileVersionInfo.GetFileVersion(XFS.Path(@"C:\file.txt"));
+            IFileVersionInfo fileVersionInfo = fileSystem.FileVersionInfo.GetVersionInfo(XFS.Path(@"C:\file.txt"));
             Assert.That(fileVersionInfo, Is.Not.Null);
             Assert.That(fileVersionInfo.FileName, Is.EqualTo(XFS.Path(@"C:\file.txt")));
         }