Remove unused test module

This will be replaced soon.

core/test/helpers.el

@@ -1,69 +0,0 @@
-;; -*- lexical-binding: t; no-byte-compile: t; -*-
-;;; core/test/helpers.el
-
-(eval-and-compile
-  (setq doom-interactive-mode 'test)
-  (doom-initialize 'force 'noerror)
-  (require 'buttercup)
-  (setq split-width-threshold 0
-        split-height-threshold 0
-        window-min-width 0
-        window-min-height 0))
-
-;;
-;;; Buttercup extensions
-
-(buttercup-define-matcher-for-binary-function :to-equal-file file-equal-p)
-
-(buttercup-define-matcher :to-expand-into (form expected)
-  (cl-destructuring-bind (form expected)
-      (mapcar #'funcall (list form expected))
-    (let ((expanded (macroexpand-1 form)))
-      (if (equal expanded expected)
-          (cons t (format "Expected `%S' to not expand to `%S'"
-                          form expected))
-        (cons nil (format "Expected `%S' to not expand to `%S', but got `%S' instead"
-                          form expected expanded))))))
-
-(buttercup-define-matcher :to-output (form &optional expected-output)
-  (let ((expected-output (and (functionp expected-output)
-                              (funcall expected-output)))
-        output)
-    (with-current-buffer (get-buffer "*Messages*")
-      (let ((standard-output (current-buffer))
-            (start (point)))
-        (let ((inhibit-message t))
-          (funcall form))
-        (setq output (buffer-substring-no-properties start (point-max)))
-        (with-silent-modifications (erase-buffer))))
-    (cond ((null expected-output)
-           (if (string-empty-p output)
-               (cons nil (format "Expected output %S, but got none"
-                                 expected-output))
-             (cons t (format "Expected no output, but got %S"
-                             output))))
-          ((not (equal expected-output output))
-           (cons nil (format "Expected output %S, but got %S instead"
-                             expected-output output)))
-          ((cons t (format "Expected to not get %S as output"
-                           expected-output))))))
-
-(buttercup-define-matcher :to-contain-items (items expected)
-  (cl-destructuring-bind (items expected)
-      (mapcar #'funcall (list items expected))
-    (if-let (missing (cl-set-difference expected items))
-        (cons nil (format "Expected list to contain %S, but it was missing %S"
-                          expected missing))
-      (cons t (format "Expected list to not contain %S, but it did: %S"
-                      expected items)))))
-
-
-;;
-;;; Helper macros
-
-(defmacro insert!! (&rest text)
-  "Insert TEXT in buffer, then move cursor to last {0} marker."
-  `(progn
-     (insert ,@text)
-     (when (search-backward "{0}" nil t)
-       (replace-match "" t t))))

core/test/init.el

@@ -1,18 +0,0 @@
-;;; core/test/init.el -*- lexical-binding: t; no-byte-compile: t; -*-
-
-;; An init.el for our unit test suites. Do not use this!
-
-(doom! :completion
-       company
-       :ui
-       doom-dashboard
-       popup
-       workspaces
-       :editor
-       evil
-       :tools
-       pass
-       ein
-       :lang
-       org
-       web)

core/test/packages.el

@@ -1,4 +0,0 @@
-;; -*- no-byte-compile: t; -*-
-;;; core/test/packages.el
-
-(package! buttercup)