Update tests for API Collection icon rendering

Updates test assertions to expect API Collections to render as articles with collectionGroup role for correct icon display. The modified test is temporarily skipped until the API Collection icon fix is implemented in the next commit.

Author: RalucaP

Tests/SwiftDocCTests/Rendering/DocumentationContentRendererTests.swift

@@ -131,6 +131,24 @@ class DocumentationContentRendererTests: XCTestCase {
             ]
         )
     }
+    
+    func testRenderKindAndRoleForAPICollection() throws {
+        throw XCTSkip("TDD: Temporarily disabled while implementing API Collection icon fix")
+        
+        // API Collections should render as articles with collectionGroup role to display correct icon
+        let (collectionKind, collectionRole) = DocumentationContentRenderer.renderKindAndRole(.collectionGroup, semantic: nil)
+        XCTAssertEqual(collectionKind, RenderNode.Kind.article, "API Collections should render as articles, not symbols")
+        XCTAssertEqual(collectionRole, "collectionGroup", "API Collections should have collectionGroup role for correct icon")
+        
+        // Verify other node types still work correctly
+        let (articleKind, articleRole) = DocumentationContentRenderer.renderKindAndRole(.article, semantic: nil)
+        XCTAssertEqual(articleKind, RenderNode.Kind.article)
+        XCTAssertEqual(articleRole, "article")
+        
+        let (symbolKind, symbolRole) = DocumentationContentRenderer.renderKindAndRole(.class, semantic: nil)
+        XCTAssertEqual(symbolKind, RenderNode.Kind.symbol)
+        XCTAssertEqual(symbolRole, "symbol")
+    }
 }
 
 private extension DocumentationDataVariantsTrait {