Fix e2e tests

- Due to changes in #567 e2e tests started to fail as
  args where passed with spaces instead of args array.
- Fix all args use so that spawn underneath uses
  plain array with proper args.

e2e/spring-shell-e2e-tests/test/builtin.test.ts

@@ -36,7 +36,7 @@ describe('builtin commands', () => {
    * test for command help command returns expected info
    */
    const commandHelpReturnsInfoDesc = 'command help returns info';
-   const commandHelpCommand = ['help help'];
+   const commandHelpCommand = ['help', 'help'];
    const commandHelpReturnsInfo = async (cli: Cli) => {
      cli.run();
      await waitForExpect(async () => {