Fix "M-x eshell"

* lisp/eshell/em-dirs.el (eshell-variable-aliases-list)
(eshell-directory-name, eshell-mode): Defvar them.
(eshell-dirs-initialize): Require esh-var.  (Bug#35203)
(eshell-apply-indices): Declare.
1 job for master in 60 minutes and 1 second (queued for 3 seconds)
Status Job ID Name Coverage
  Test
failed #1280
test-all

01:00:01

 
Name Stage Failure
failed
test-all Test The script exceeded the maximum execution time set for the job
  GEN      lisp/eshell/eshell-tests.log
ELC lisp/faces-tests.elc
GEN lisp/faces-tests.log
ELC lisp/ffap-tests.elc
GEN lisp/ffap-tests.log
ELC lisp/filenotify-tests.elc
GEN lisp/filenotify-tests.log
Pulling docker image gitlab/gitlab-runner-helper:x86_64-f100a208 ...
ERROR: Job failed: execution took longer than 1h0m0s seconds