Added the "useCase" tag for the Tag+Customs in the tests target.

Tests/DiscogsService/Cases/Internal/Use Cases/ValidateInputUesCaseTests.swift

@@ -16,7 +16,7 @@ import Testing
 
 @testable import DiscogsService
 
-@Suite("Validate Input Use Cases")
+@Suite("Validate Input Use Cases", .tags(.useCase))
 struct ValidateInputUseCaseTests {
     
     // MARK: Functions

Tests/DiscogsService/Types/Extensions/Tag+Customs.swift

@@ -21,4 +21,7 @@ extension Tag {
     /// A tag that indicates tests for a middleware type.
     @Tag static var middleware: Self
     
+    /// A tag that indicates tests for a use case type.
+    @Tag static var useCase: Self
+    
 }