Issue #1760586 by tim.plunkett: Refactor and reorganize the tests.

lib/Drupal/views/Tests/AnalyzeTest.php

lib/Drupal/views/Tests/BasicTest.php

lib/Drupal/views/Tests/Comment/ArgumentUserUIDTest.php

lib/Drupal/views/Tests/Comment/CommentTestBase.php

lib/Drupal/views/Tests/Comment/FilterUserUIDTest.php

lib/Drupal/views/Tests/Field/ApiDataTest.php

lib/Drupal/views/Tests/Field/FieldTestBase.php

lib/Drupal/views/Tests/Field/HandlerFieldFieldTest.php

lib/Drupal/views/Tests/GlossaryTest.php

lib/Drupal/views/Tests/Handler/AreaTextTest.php

lib/Drupal/views/Tests/Handler/ArgumentNullTest.php

lib/Drupal/views/Tests/Handler/ArgumentStringTest.php

lib/Drupal/views/Tests/Handler/FieldBooleanTest.php

lib/Drupal/views/Tests/Handler/FieldCounterTest.php

lib/Drupal/views/Tests/Handler/FieldCustomTest.php

lib/Drupal/views/Tests/Handler/FieldDateTest.php

lib/Drupal/views/Tests/Handler/FieldFileSizeTest.php

lib/Drupal/views/Tests/Handler/FieldTest.php

lib/Drupal/views/Tests/Handler/FieldUrlTest.php

lib/Drupal/views/Tests/Handler/FieldXssTest.php