genesets e2e tests (#2241)

* __test: create geneset

* example dataset test geneset

* delete geneset test

* edit __test

* gene crud

* Update client/Makefile

Co-authored-by: Severiano Badajoz <sbadajoz@chanzuckerberg.com>

* copy gene sets separately

* make fix

* ignore test files locally

* csv update

* updated csvs

* fix unit tests for gene set load routes

* add missing fix to czi_hosted unit test

* pin tiledb version, for czi_hosted backend, to <0.9

* Revert tiledb pin to be less than 0.9. Broken tests have been updated in main branch.

* newline, gitignore

* color by and subset

* diffexp sets equal

* add diff exp test class

* fix data class

* diffexp snapshot

* snapshot

* snap3

* snapshot parentInnerhtml

* remove snap

* updated anno snaps

* add test class to gene list div

* new snapshots

* kick off

* Revert "kick off"

This reverts commit 743f551d55.

* remove import

* eol

* revert changes to csv re: gene tests

* global name

Co-authored-by: Severiano Badajoz <sbadajoz@chanzuckerberg.com>
Co-authored-by: bkmartinjr <bruce@chanzuckerberg.com>
Co-authored-by: Arathi Mani <arathi.mani@chanzuckerberg.com>
Co-authored-by: maniarathi <mani.arathi@gmail.com>

client/src/components/brushableHistogram/loading.js

@@ -9,6 +9,7 @@ const StillLoading = ({ zebra, displayName }) => {
     */
   return (
     <div
+      data-testclass="gene-loading-spinner"
       style={{
         padding: globals.leftSidebarSectionPadding,
         backgroundColor: zebra ? globals.lightestGrey : "white",