message: Make group name optional
diff: @@ -9,7 +9,7 @@ import { get, once, set } from '@salesforce/kit';
  import {
  AnyFunction,
  AnyJson,
  - Dictionary,
  + Dictionary, ensureJsonMap,
  ensureString, isJsonMap,
  JsonMap,
  Optional
  @@ -195,10 +195,11 @@ export const testSetup = once((sinon?) => {
  globalPathRetriever: getTestGlobalPath,
  rootPathRetriever: retrieveRootPath,
  fakeConnectionRequest: defaultFakeConnectionRequest,
  - getConfigStubContents(name: string, group: string): ConfigContents {
  + getConfigStubContents(name: string, group: Optional<string>): ConfigContents {
  + const _group = group || 'default';
  const stub: Optional<ConfigStub> = this.configStubs[name];
  - if (stub && stub.contents && stub.contents[group]) {
  - return stub.contents[group] as ConfigContents;
  + if (stub && stub.contents && stub.contents[_group]) {
  + return ensureJsonMap(stub.contents[_group]);
  }
  return {};
  },
  