message: Add a bit more logging to TestUserInput.showQuickPick
diff: @@ -65,7 +65,8 @@ export class TestUserInput implements types.TestUserInput {
  if (resolvedItem) {
  result = resolvedItem;
  } else {
  - throw new Error(`Did not find quick pick item matching '${input}'. Placeholder: '${options.placeHolder}'`);
  + const picksString = resolvedItems.map(i => `"${i.label}"`).join(', ')
  + throw new Error(`Did not find quick pick item matching "${input}". Placeholder: "${options.placeHolder}". Picks: ${picksString}`);
  }
  }
  }
  