File pr-github.test.ts

packages/shared/pr-github.test.ts:None–None

import { describe, expect, test, spyOn } from "bun:test";
import { fetchGhPR, reconstructGhPatch, type GitHubFileEntry } from "./pr-github";
import { parseDiffGitHeader, parseDiffFilePathLines, parseDiffMetadataPathLines } from "./diff-paths";
import type { PRRuntime } from "./pr-types";