Change log for rspec#1943

[skip ci]

Author: JonRowe

Changelog.md

@@ -14,6 +14,8 @@ Bug Fixes:
 
 * Escape quotation characters when producing method names for system spec
   screenshots. (Shane Cavanaugh, #1955)
+* Use relative path for resolving fixtures when `fixture_path` is not set.
+  (Laurent Cobos, #1943)
 
 ### 3.7.2 / 2017-11-20
 [Full Changelog](http://github.com/rspec/rspec-rails/compare/v3.7.1...v3.7.2)