test: cleanup properly

Author: malcolm-kee

test/e2e/__snapshots__/overlay.test.js.snap.webpack4

@@ -2211,7 +2211,7 @@ exports[`overlay should show error for uncaught promise rejection: overlay html
  font-family: Menlo, Consolas, monospace;
  \\"
  >
- Async error at <anonymous>:3:26
+ Async error at <anonymous>:3:28
  </div>
  </div>
  </div>
@@ -2295,8 +2295,8 @@ exports[`overlay should show error for uncaught runtime error: overlay html 1`]
  font-family: Menlo, Consolas, monospace;
  \\"
  >
- Injected error at throwError (&lt;anonymous&gt;:2:15) at
- &lt;anonymous&gt;:3:9 at addScriptContent
+ Injected error at throwError (&lt;anonymous&gt;:2:17) at
+ &lt;anonymous&gt;:3:11 at addScriptContent
  (__puppeteer_evaluation_script__:9:27)
  </div>
  </div>

test/e2e/__snapshots__/overlay.test.js.snap.webpack5

@@ -2227,7 +2227,7 @@ exports[`overlay should show error for uncaught promise rejection: overlay html
  font-family: Menlo, Consolas, monospace;
  \\"
  >
- Async error at <anonymous>:3:26
+ Async error at <anonymous>:3:28
  </div>
  </div>
  </div>
@@ -2311,8 +2311,8 @@ exports[`overlay should show error for uncaught runtime error: overlay html 1`]
  font-family: Menlo, Consolas, monospace;
  \\"
  >
- Injected error at throwError (&lt;anonymous&gt;:2:15) at
- &lt;anonymous&gt;:3:9 at addScriptContent
+ Injected error at throwError (&lt;anonymous&gt;:2:17) at
+ &lt;anonymous&gt;:3:11 at addScriptContent
  (__puppeteer_evaluation_script__:9:27)
  </div>
  </div>