Issue #3133162 by jungle, ravi.shankar, Deepak Goyal, Neslee Canil Pinto, anmolgoyal74, xjm, Kristen Pol: Replace the start verb Test with Tests in method comments of tests

Issue #3135027 by mondrake, Spokje, ayushmishra206, rajandro, nitesh624: Replace usages of assertArrayEquals, deprecate it

Issue #3107732 by mondrake, longwave, swatichouhan012, salah1, xjm, catch, alexpott, Berdir: Between April 13 and April 17, 2020: Add return typehints to setUp/tearDown methods in concrete test classes

Issue #3059090 by clepson, mondrake, alexpott: Deprecate \Drupal\Tests\PhpunitCompatibilityTrait::setExpectedException()

Issue #2901730 by mfernea, ankitjain28may, idebr: Fix 'Squiz.WhiteSpace.FunctionSpacing' coding standard

Issue #2897134 by MaskOta, Sam152, Dinesh18, xjm: Enforce that weights are numeric when settings state/transition weights

Issue #2886567 by timmillwood, Sam152, Manuel Garcia, Vj, xjm, tstoeckler: Adding a workflow state or transition with an integer ID results in unrecoverable fatal errors

Issue #2897133 by Sam152, larowlan: Address performance issues in \Drupal\workflows\Plugin\WorkflowTypeBase::deleteState

Issue #2849827 by Sam152, timmillwood, larowlan: Move workflow "settings" setters and getters to WorkflowTypeInterface

Issue #2851635 by tim.plunkett, alexpott, dawehner: DefaultSingleLazyPluginCollection retains stale instance IDs

Issue #2850670 by scott_euser, timmillwood: Add unit test coverage to ensure already existing transitions aren't allowed

Issue #2845114 by tstoeckler, Sam152: Add deterministic sorting of workflow states in and state transitions in config

Issue #2779647 by alexpott, Sam152, catch, scookie, yoroy, pericxc, timmillwood, tacituseu, jhedstrom, xjm, bojanz, tstoeckler: Add a workflow component, ui module, and implement it in content moderation