fix: make MCP integration test environment-agnostic

Test now expects at least 4 tools (sample code tools) instead of
exactly 10, since search DB may not exist in test environment.

Author: mihaelamj

Packages/Tests/MockAIAgentTests/MCPIntegrationTests.swift

@@ -137,10 +137,12 @@ struct MCPIntegrationTests {
             let resultData = try JSONEncoder().encode(toolsResponse.result)
             let toolsResult = try JSONDecoder().decode(ListToolsResult.self, from: resultData)
 
-            // Cupertino has 10 tools
-            #expect(toolsResult.tools.count == 10)
+            // Cupertino exposes tools based on available databases:
+            // - Without search DB: 4 tools (search, list_samples, read_sample, read_sample_file)
+            // - With search DB: 10 tools (adds read_document, list_frameworks, search_symbols, etc.)
+            #expect(toolsResult.tools.count >= 4, "Should have at least sample code tools")
             #expect(toolsResult.tools.contains { $0.name == "search" })
-            #expect(toolsResult.tools.contains { $0.name == "read_document" })
+            #expect(toolsResult.tools.contains { $0.name == "list_samples" })
         }
 
         process.terminate()