test: classify prerequisite lanes and own Avalonia sessions

tests/AcDream.Content.Tests/CharGen/ChargenAppearanceCatalogColorTests.cs

@@ -22,6 +22,7 @@ namespace AcDream.Content.Tests.CharGen;
 /// <c>ChargenAppearanceCatalogInstalledDatTests</c>): returns green with a
 /// console SKIP note when no installed dat directory is configured.</para>
 /// </summary>
+[Trait("Lane", "InstalledDat")]
 public sealed class ChargenAppearanceCatalogColorTests
 {
     private readonly ITestOutputHelper _out;

tests/AcDream.Content.Tests/CharGen/ChargenAppearanceCatalogInstalledDatTests.cs

@@ -28,6 +28,7 @@ namespace AcDream.Content.Tests.CharGen;
 /// consistent with the rest of the suite rather than introducing a new
 /// convention.</para>
 /// </summary>
+[Trait("Lane", "InstalledDat")]
 public sealed class ChargenAppearanceCatalogInstalledDatTests
 {
     private readonly ITestOutputHelper _out;

tests/AcDream.Content.Tests/CharGen/ChargenTableReaderInstalledDatTests.cs

@@ -14,6 +14,7 @@ namespace AcDream.Content.Tests.CharGen;
 /// cleanly (with a console note) when no DAT directory is configured,
 /// matching e.g. <c>PakEquivalenceTests</c> / <c>RetailDatLoaderTests</c>.
 /// </summary>
+[Trait("Lane", "InstalledDat")]
 public sealed class ChargenTableReaderInstalledDatTests
 {
     // ACE ACE.Entity.Enum.HeritageGroup — the four heritages CC1's spec