* Chore: Move variable field selectors to data-testid * Fix data source variable editor selector * fix test
* Pass data-testid into VariableTextEditorField * Add e2e tests for custom variables * Rename query variable specs to match others * Add e2e tests for Text Box variables * manually remove id: null * Add tests for constant variables
* E2E: adds back missing e2e specs * Chore: removes wrong import directive