Add: XTest

Author: alphapapa

README.org

@@ -2602,7 +2602,7 @@ There are plenty of unit/regression testing tools for Emacs, and even some for f
 Cucumber is a great integration testing tool, used mostly for testing web applications. Ecukes is Cucumber for Emacs. No, it's not a major mode to edit feature files. It is a package that makes it possible to write Cucumber like tests for your Emacs packages.
 #+END_QUOTE
 
-**** [[https://www.gnu.org/software/emacs/manual/html_node/ert/][Emacs Lisp Regression Testing]] (ERT)                        :built_in:
+**** [[https://www.gnu.org/software/emacs/manual/html_node/ert/][Emacs Lisp Regression Testing]] (ERT)                    :built_in:ERT:
 :PROPERTIES:
 :ID:       386b23bd-5254-457f-9ba1-ca5cbf87fed3
 :END:
@@ -2640,6 +2640,12 @@ This package provides an Emacs Lisp macro, ~with-simulated-input~, which evaluat
 Some interactive functions rely on idle timers to do their work, so you might need a way to simulate idleness. For that, there is the ~wsi-simulate-idle-time~ function. You can insert calls to this function in between input strings.
 #+END_QUOTE
 
+***** [[https://github.com/promethial/xtest][xtest: Extensions for ERT]]                              :ERT:
+
+#+BEGIN_QUOTE
+XTest is a simple set of extensions for ERT.  XTest speeds up the creation of tests that follow the “one assertion per test” rule of thumb.  It also simplifies testing functions that manipulate buffers.  XTest aims to do a few things well, instead of being a monolithic library that attempts to solve every conceivable testing need.  XTest is designed to be paired with vanilla ERT and other ERT libraries, where the user mixes and matches depending on their needs.
+#+END_QUOTE
+
 *** Tools                                                    :tools:
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