ci: run publish workflow tests via bun test

script/publish-workflow.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, test } from "bun:test"
+import { readFileSync } from "node:fs"
+
+const workflowPaths = [
+  new URL("../.github/workflows/ci.yml", import.meta.url),
+  new URL("../.github/workflows/publish.yml", import.meta.url),
+]
+
+describe("test workflows", () => {
+  test("use a single plain bun test step without isolated split hacks", () => {
+    for (const workflowPath of workflowPaths) {
+      // given
+      const workflow = readFileSync(workflowPath, "utf8")
+
+      // then
+      expect(workflow).toContain("- name: Run tests")
+      expect(workflow).toContain("run: bun test")
+      expect(workflow).not.toContain("Run mock-heavy tests (isolated)")
+      expect(workflow).not.toContain("Run remaining tests")
+    }
+  })
+})