fix(tests): route agent-handler MCP server rows through queueTableRows

Author: waleedlatif1

apps/sim/executor/handlers/agent/agent-handler.test.ts

@@ -1,4 +1,4 @@
-import { dbChainMock, dbChainMockFns, resetDbChainMock } from '@sim/testing'
+import { dbChainMock, queueTableRows, resetDbChainMock, schemaMock } from '@sim/testing'
 import { afterAll, afterEach, beforeEach, describe, expect, it, type Mock, vi } from 'vitest'
 import { getAllBlocks } from '@/blocks'
 import { BlockType, isMcpTool } from '@/executor/constants'
@@ -119,8 +119,9 @@ describe('AgentBlockHandler', () => {
     handler = new AgentBlockHandler()
     vi.clearAllMocks()
     resetDbChainMock()
-    // The MCP server lookup awaits select().from(mcpServers).where(...) directly.
-    dbChainMockFns.where.mockResolvedValue(MCP_SERVER_ROWS)
+    // The MCP server lookup awaits select().from(mcpServers).where(...) directly;
+    // queue a set per lookup so the structural where spy keeps its default wiring.
+    queueTableRows(schemaMock.mcpServers, MCP_SERVER_ROWS)
 
     // unstubGlobals removes any module-scope fetch stub before each test, so re-stub here
     vi.stubGlobal('fetch', mockFetch)