Delete broken configs, hide data files in examples dir

Author: jayb

_stories/Highlights.PackageComparison.stories.tsx

@@ -15,7 +15,7 @@ import waffleConfig from '../packages/waffle-chart/examples/tp5-style.json'
 import dataTableConfig from '../packages/data-table/examples/data-table-example.json'
 import markupConfig from '../packages/markup-include/src/_stories/_mock/primary.json'
 import filteredTextConfig from '../packages/filtered-text/examples/default.json'
-import filteredTextData from '../packages/filtered-text/examples/sex-ageGroup-with-values.json'
+import filteredTextData from '../packages/filtered-text/examples/__data__/sex-ageGroup-with-values.json'
 
 const sectionStyles = {
   border: '1px solid #d9d9d9',

docs/TESTING_BEST_PRACTICES.md

@@ -307,7 +307,7 @@ await performAndAssert(
 ## Creating New Tests: Quick Checklist
 
 1. ✅ Import helpers from `@cdc/core/helpers/testing`
-2. ✅ Use existing config: `import ExampleConfig from '../../examples/example-config.json'`
+2. ✅ Use existing config: `import ExampleConfig from '../../examples/default.json'`
 3. ✅ Set editor mode: `args: { config: ExampleConfig, isEditor: true }`
 4. ✅ Check EditorPanel.tsx for actual accordion sections
 5. ✅ Create one test story per accordion section