Failing tests

With a brand new cloned project of the current version of Autosubmit-GUI, and doing npm install and npm test, there are 3 failing tests:

• experimentTests.test.js and Performance.test.js

  TLDR: The nullish operator is not supported for the current version of node/jest and should be used the OR operator || instead.

  They fail while doing the import of TimeScatterPlot and MetricScatterPlot. More precisely on the TimeScatterPlot.js:103 line while performing an operation with the nullish coalescing operator (??)

• experimentTests.test.js

  The current snapshot is outdated and needs to be regenerated to support the current markup version of the web.