revert remove pkg

Author: hl662

apps/test-viewer/package.json

@@ -36,6 +36,10 @@
     "@itwin/presentation-common": "^5.0.0",
     "@itwin/presentation-components": "^5.12.2",
     "@itwin/presentation-frontend": "^5.0.0",
+    "@itwin/presentation-testing": "^5.4.5",
+    "@itwin/presentation-hierarchies": "^1.5.1",
+    "@itwin/presentation-hierarchies-react": "^1.6.8",
+    "@itwin/presentation-shared": "^1.2.2",
     "@itwin/property-grid-react": "workspace:*",
     "@itwin/reports-config-widget-react": "workspace:*",
     "@itwin/tree-widget-react": "workspace:*",