fix(tests): migrate tests to @git.zone/tstest tapbundle and export tap.start() in browser tests

package.json

@@ -47,10 +47,9 @@
     "@design.estate/dees-wcctools": "^3.3.0",
     "@git.zone/tsbuild": "^4.0.2",
     "@git.zone/tsbundle": "^2.6.3",
-    "@git.zone/tstest": "^3.1.3",
+    "@git.zone/tstest": "^3.1.4",
     "@git.zone/tswatch": "^2.3.13",
     "@push.rocks/projectinfo": "^5.0.2",
-    "@push.rocks/tapbundle": "^6.0.3",
     "@types/node": "^25.0.3"
   },
   "files": [