fix file system test on windows (#2657) [no ci]

ErsatzTV.Scanner.Tests/Core/Metadata/LocalSubtitlesProviderTests.cs

@@ -28,6 +28,8 @@ public class LocalSubtitlesProviderTests
     //       Avatar (2009).de.srt
     //       Avatar (2009).de.sdh.forced.srt
 
+    private readonly string _prefix = OperatingSystem.IsWindows() ? "C:\\" : "/";
+
     [Test]
     public void Should_Find_All_Languages_Codecs_And_Flags_With_Full_Paths()
     {
@@ -75,7 +77,9 @@ public class LocalSubtitlesProviderTests
         result.Count(s => s.SDH).ShouldBe(2);
         result.Count(s => s.Codec == "subrip").ShouldBe(4);
         result.Count(s => s.Codec == "ass").ShouldBe(1);
-        result.All(s => s.Path.Contains(@"/Movies/Avatar (2009)/")).ShouldBeTrue();
+
+        string path = Path.Combine(_prefix, "Movies", "Avatar (2009)");
+        result.All(s => s.Path.Contains(path)).ShouldBeTrue();
     }
 
     [Test]
@@ -127,6 +131,8 @@ public class LocalSubtitlesProviderTests
         result.Count(s => s.SDH).ShouldBe(3);
         result.Count(s => s.Codec == "subrip").ShouldBe(5);
         result.Count(s => s.Codec == "ass").ShouldBe(2);
-        result.Count(s => s.Path.Contains(@"/Movies/Avatar (2009)/")).ShouldBe(0);
+
+        string path = Path.Combine(_prefix, "Movies", "Avatar (2009)");
+        result.Count(s => s.Path.Contains(path)).ShouldBe(0);
     }
 }