test: tighten release tooling helpers

test/scripts/plugin-boundary-report.test.ts

@@ -7,7 +7,6 @@ function requirePluginSdkSummary(summary: {
     unusedReservedCount?: unknown;
   };
 }) {
-  expect(summary.pluginSdk).toBeDefined();
   if (!summary.pluginSdk) {
     throw new Error("Expected plugin SDK summary");
   }

test/scripts/release-check.test.ts

@@ -5,7 +5,6 @@ import { describe, expect, it } from "vitest";
 import { writePackedBundledPluginActivationConfig } from "../../scripts/release-check.ts";
 
 function requirePluginEntries(config: { plugins?: { entries?: Record<string, unknown> } }) {
-  expect(config.plugins?.entries).toBeDefined();
   if (!config.plugins?.entries) {
     throw new Error("Expected plugin entries in packaged activation config");
   }