Fix and re-enable Vega test to be consistent with development/CI

[tylersmalley]

These tests were marked as may fail in dev env which is something we must avoid. Additionally, we have started to see them fail in CI due to the day being off by one which is what ultimately resulted in skipping the tests.

10:28:06  Summary of all failing tests
10:28:06   FAIL  ../../plugins/vis_type_vega/public/vega_visualization.test.js
10:28:06    ● VegaVisualizations › VegaVisualization - basics › should show vegalite graph and update on resize (may fail in dev env)
10:28:06  
10:28:06      expect(received).toMatchSnapshot()
10:28:06  
10:28:06      Snapshot name: `VegaVisualizations VegaVisualization - basics should show vegalite graph and update on resize (may fail in dev env) 1`
10:28:06  
10:28:06      Snapshot: "<ul class=\"vgaVis__messages\"><li class=\"vgaVis__message vgaVis__message--warn\"><pre class=\"vgaVis__messageCode\">\"width\" and \"height\" params are ignored because \"autosize\" is enabled. Set \"autosize\": \"none\" to disable</pre></li></ul><div class=\"vgaVis__view\" style=\"height: 100%; cursor: default;\" role=\"graphics-document\" aria-roledescription=\"visualization\" aria-label=\"Vega visualization\"><svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" version=\"1.1\" class=\"marks\" width=\"0\" height=\"0\" viewBox=\"0 0 0 0\" style=\"background-color: transparent;\"><g fill=\"none\" stroke-miterlimit=\"10\" transform=\"translate(7,7)\"><g class=\"mark-group role-frame root\" role=\"graphics-object\" aria-roledescription=\"group mark container\"><g transform=\"translate(0,0)\"><path class=\"background\" aria-hidden=\"true\" d=\"M0.5,0.5h0v0h0Z\" fill=\"transparent\" stroke=\"#ddd\"></path><g><g class=\"mark-line role-mark marks\" role=\"graphics-object\" aria-roledescription=\"line mark container\"><path aria-label=\"key: Dec 10, 2017; doc_count: 0\" role=\"graphics-symbol\" aria-roledescription=\"line mark\" d=\"M0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0\" stroke=\"#54B399\" stroke-width=\"2\"></path></g></g><path class=\"foreground\" aria-hidden=\"true\" d=\"\" display=\"none\"></path></g></g></g></svg></div><div class=\"vgaVis__controls vgaVis__controls--column\"></div>"
10:28:06      Received: "<ul class=\"vgaVis__messages\"><li class=\"vgaVis__message vgaVis__message--warn\"><pre class=\"vgaVis__messageCode\">\"width\" and \"height\" params are ignored because \"autosize\" is enabled. Set \"autosize\": \"none\" to disable</pre></li></ul><div class=\"vgaVis__view\" style=\"height: 100%; cursor: default;\" role=\"graphics-document\" aria-roledescription=\"visualization\" aria-label=\"Vega visualization\"><svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" version=\"1.1\" class=\"marks\" width=\"0\" height=\"0\" viewBox=\"0 0 0 0\" style=\"background-color: transparent;\"><g fill=\"none\" stroke-miterlimit=\"10\" transform=\"translate(7,7)\"><g class=\"mark-group role-frame root\" role=\"graphics-object\" aria-roledescription=\"group mark container\"><g transform=\"translate(0,0)\"><path class=\"background\" aria-hidden=\"true\" d=\"M0.5,0.5h0v0h0Z\" fill=\"transparent\" stroke=\"#ddd\"></path><g><g class=\"mark-line role-mark marks\" role=\"graphics-object\" aria-roledescription=\"line mark container\"><path aria-label=\"key: Dec 11, 2017; doc_count: 0\" role=\"graphics-symbol\" aria-roledescription=\"line mark\" d=\"M0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0L0,0\" stroke=\"#54B399\" stroke-width=\"2\"></path></g></g><path class=\"foreground\" aria-hidden=\"true\" d=\"\" display=\"none\"></path></g></g></g></svg></div><div class=\"vgaVis__controls vgaVis__controls--column\"></div>"

key: Dec 10, 2017 vs key: Dec 11, 2017

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[tylersmalley]

Skipped test:

master: bd08439
7.x/7.11: afa0bed

[alexwizp]

@dziyanadzeraviankina assigned to you, but please wait till #82280 will be merged