message: clear cache between tests
diff: @@ -16,6 +16,7 @@ const temp = require('@cardstack/test-support/temp-helper');
  const { inRepo, makeRepo } = require('./support');
  const Change = require('../change');
  +const service = require('../service');
  const mkdir = promisify(temp.mkdir);
  @@ -101,6 +102,7 @@ describe('git/writer with remote', function() {
  afterEach(async function() {
  await temp.cleanup();
  await destroyDefaultEnvironment(env);
  + service.clearCache();
  });
  describe('create', function() {
  