drop 375px percy snapshot

Author: alexcjohnson

CHANGELOG.md

@@ -4,6 +4,10 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+### Changed
+
+- [#2016](https://github.com/plotly/dash/pull/2016) Drop the 375px width from default percy_snapshot calls, keep only 1280px
+
 ### Updated
 - [#2016](https://github.com/plotly/dash/pull/2016) Widespread dependency upgrades
   - Upgrade Plotly.js to v2.11.1 (from v2.11.0). Patch release [2.11.1](https://github.com/plotly/plotly.js/releases/tag/v2.11.1) fixes regl-based traces in strict CSP mode, however you must manually switch to the strict bundle to use this.

dash/testing/browser.py

@@ -148,10 +148,10 @@ def percy_snapshot(
         - widths: a list of pixel widths for percy to render the page with. Note
             that this does not change the browser in which the DOM is constructed,
             so the width will only affect CSS, not JS-driven layout.
-            Defaults to [375, 1280]
+            Defaults to [1280]
         """
         if widths is None:
-            widths = [375, 1280]
+            widths = [1280]
         snapshot_name = f"{name} - py{sys.version_info.major}.{sys.version_info.minor}"
         logger.info("taking snapshot name => %s", snapshot_name)
         try: