Bug 1632506 [wpt PR 23203] - Fix and export svg/text/textpath-local-url-reference...

Bug 1632506 [wpt PR 23203] - Fix and export svg/text/textpath-local-url-reference.html to WPT, a=testonly

Automatic update from web-platform-tests
Fix and export svg/text/textpath-local-url-reference.html to WPT

Since the <script> tag appeared after defining the base URL of the
document, the script wasn't fetched and run. This likely worked out
anyway because of having Ahem available through other means.
Fix this and export the test to WPT while at it.

Change-Id: I9dff35db0bcfa6ccaa697d791583e897e47b768f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2162888
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#761952}

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wpt-commits: 9a63939d185821b782ba34d642be3cffef6a2e41
wpt-pr: 23203