ci: Setup CI builds with Eask

[jcs090218]

This is continue PR for #1149. 🤔

Unfortunately, I'm not familiar enough with the code to fix all the tests. 😓 But getting the tests running first will allow others to address the remaining issues in future PRs. 😄

Current failed tests:

49 unexpected results:
   FAILED  sp-test-command-sp-comment-1-1
   FAILED  sp-test-command-sp-comment-1-2
   FAILED  sp-test-command-sp-comment-1-3
   FAILED  sp-test-command-sp-comment-1-4
   FAILED  sp-test-command-sp-split-sexp-2-4
   FAILED  sp-test-crystal-slurp-backward-1
   FAILED  sp-test-crystal-slurp-backward-10
   FAILED  sp-test-crystal-slurp-backward-11
   FAILED  sp-test-crystal-slurp-backward-12
   FAILED  sp-test-crystal-slurp-backward-13
   FAILED  sp-test-crystal-slurp-backward-14
   FAILED  sp-test-crystal-slurp-backward-2
   FAILED  sp-test-crystal-slurp-backward-3
   FAILED  sp-test-crystal-slurp-backward-4
   FAILED  sp-test-crystal-slurp-backward-5
   FAILED  sp-test-crystal-slurp-backward-6
   FAILED  sp-test-crystal-slurp-backward-7
   FAILED  sp-test-crystal-slurp-backward-8
   FAILED  sp-test-crystal-slurp-backward-9
   FAILED  sp-test-crystal-slurp-on-single-line-3
   FAILED  sp-test-crystal-slurp-on-single-line-4
   FAILED  sp-test-ess-slurp-backward
   FAILED  sp-test-ess-slurp-forward
   FAILED  sp-test-ess-slurp-operators
   FAILED  sp-test-org-do-not-pair-quote-in-elisp-block
   FAILED  sp-test-python-autoinsert-colon-on-class
   FAILED  sp-test-python-autoinsert-colon-on-def
   FAILED  sp-test-python-rewrap-tripple-double-quote-to-single-quote
   FAILED  sp-test-python-rewrap-tripple-single-quote-to-double-quote
   FAILED  sp-test-ruby-slurp-backward-1
   FAILED  sp-test-ruby-slurp-backward-10
   FAILED  sp-test-ruby-slurp-backward-11
   FAILED  sp-test-ruby-slurp-backward-12
   FAILED  sp-test-ruby-slurp-backward-13
   FAILED  sp-test-ruby-slurp-backward-14
   FAILED  sp-test-ruby-slurp-backward-15
   FAILED  sp-test-ruby-slurp-backward-16
   FAILED  sp-test-ruby-slurp-backward-2
   FAILED  sp-test-ruby-slurp-backward-3
   FAILED  sp-test-ruby-slurp-backward-4
   FAILED  sp-test-ruby-slurp-backward-5
   FAILED  sp-test-ruby-slurp-backward-6
   FAILED  sp-test-ruby-slurp-backward-7
   FAILED  sp-test-ruby-slurp-backward-8
   FAILED  sp-test-ruby-slurp-backward-9
   FAILED  sp-test-ruby-slurp-on-single-line-3
   FAILED  sp-test-ruby-slurp-on-single-line-4
   FAILED  sp-test-skip-forward-to-symbol-1
   FAILED  sp-test-wrap-basic-latex