message: Fix tests
  This is why we need full `--strict`
diff: @@ -103,7 +103,7 @@ export class TextEditor {
  }
  static getCharAt(document: vscode.TextDocument, position: Position): string {
  - return document.lineAt(position)[position.character];
  + return document.lineAt(position).text[position.character];
  }
  /**
  