Refactor and cleanup of test data

...ts/src/main/java/pages/components/ConfirmationDialog.java

...i-tests/src/main/java/pages/components/GenericSelect.java

...ui-tests/src/main/java/pages/components/SandwichMenu.java

smp-ui-tests/src/main/java/pages/components/Sidebar.java

...n/java/pages/components/baseComponents/PageComponent.java

...a/pages/components/baseComponents/PaginationControls.java

...src/main/java/pages/components/messageArea/AlertArea.java

smp-ui-tests/src/main/java/pages/domain/DomainPage.java

smp-ui-tests/src/main/java/pages/domain/DomainPopup.java

smp-ui-tests/src/main/java/pages/login/LoginPage.java

...-tests/src/main/java/pages/service_groups/FilterArea.java

...ests/src/main/java/pages/service_groups/MetadataGrid.java

.../src/main/java/pages/service_groups/ServiceGroupGrid.java

...main/java/pages/service_groups/edit/AccordionSection.java

...sts/src/main/java/pages/service_groups/edit/EditPage.java

...n/java/pages/service_groups/edit/MetadataWizardPopup.java

...ain/java/pages/service_groups/edit/ServiceGroupPopup.java

.../java/pages/service_groups/edit/ServiceMetadataPopup.java

...src/main/java/pages/service_groups/search/SearchPage.java

smp-ui-tests/src/main/java/pages/users/UserPopup.java