1510-smoke-test (#1548)

* 1510-smoke-test

* config default

* update tests

* update test config

* fix linter errors

* more comments

* address comments

* use npm install in push_tests.yml

* use environment.default.json

* adding docs

* Take care of @mweiden's nits

* Save screenshots in the __tests__/screenshots/ directory

* typo

* docs

* Add chart tests (#1580)

* merge tests

* check if bin creation returned null before rendering charts (#1576)

* check if bin creation returned null before rendering charts

* refactor chart rendering into functions (#1577)

* little fixes from PR

* reintroduce fix to check for null values

* change getAllByClass to return element

* slice instead

* new stackedbar test

* feedback-1573-test (#1579)

* feedback-1573-test

* enable whole test set

* revert tests

Co-authored-by: Timmy Huang <tihuan@users.noreply.github.com>

* tweak test to actually render chart

* include snapshot

* remove async

* fix getAllHistograms

* properly grab id

Co-authored-by: Timmy Huang <tihuan@users.noreply.github.com>

Co-authored-by: Matt Weiden <538456+mweiden@users.noreply.github.com>
Co-authored-by: Severiano Badajoz <sbadajoz@chanzuckerberg.com>

client/src/components/scatterplot/drawPointsRegl.js

@@ -1,6 +1,6 @@
 import { glPointFlags, glPointSize } from "../../util/glHelpers";
 
-export default function (regl) {
+export default function drawPointsRegl(regl) {
   return regl({
     vert: `
     precision mediump float;