Backed out changeset 3f0a7131d0fd (bug 1806964) for causing bug 1866911 (and duplicates) CLOSED TREE

gecko-commit: 2503d38a81452cec7d0ab94555fd6d0361ddc17c
diff --git a/svg/struct/reftests/use-data-url-set-attributeName.tentative.svg b/svg/struct/reftests/use-data-url-set-attributeName.tentative.svg
deleted file mode 100644
index 248f218..0000000
--- a/svg/struct/reftests/use-data-url-set-attributeName.tentative.svg
+++ /dev/null
@@ -1,9 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml" xmlns:xlink="http://www.w3.org/1999/xlink">
-  <title>&#x3c;use&#x3e; with a data: URL resource loaded by &#x3c;set attributeName&#x3e;</title>
-  <h:link rel="help" href="https://svgwg.org/svg2-draft/struct.html#UseElementHrefAttribute"/>
-  <h:link rel="match" href="reference/green-100x100.svg"/>
-  <rect width="100" height="100" fill="green"/>
-  <use>
-    <set attributeName="href" to="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxyZWN0IGlkPSJyZWQtcmVjdCIgd2lkdGg9IjEwMCIgaGVpZ2h0PSIxMDAiIGZpbGw9InJlZCIvPgo8L3N2Zz4=#red-rect"/>
-  </use>
-</svg>
diff --git a/svg/struct/reftests/use-data-url-setAttribute.tentative.html b/svg/struct/reftests/use-data-url-setAttribute.tentative.html
deleted file mode 100644
index b28dd0e..0000000
--- a/svg/struct/reftests/use-data-url-setAttribute.tentative.html
+++ /dev/null
@@ -1,18 +0,0 @@
-<!doctype HTML>
-<meta charset="utf-8">
-<title>Testcase for changing a valid &#x3c;use&#x3e; to a data URL:</title>
-<link rel="help" href="https://svgwg.org/svg2-draft/struct.html#UseElementHrefAttribute">
-<link rel="match" href="reference/green-100x100.html">
-<script>
-  function go() {
-    const use = document.querySelector("use");
-    use.setAttribute("href", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogIDxyZWN0IGlkPSJvcmFuZ2UtcmVjdCIgd2lkdGg9IjEwMCIgaGVpZ2h0PSIxMDAiIGZpbGw9Im9yYW5nZSIvPgo8L3N2Zz4=#orange-rect");
-  }
-</script>
-<body onload="go()">
-  <svg id="mySVG">
-    <rect id="red" width="100" height="100" fill="red"></rect>
-    <rect id="green" width="100" height="100" fill="green"></rect>
-    <use x="100" y="0" href="#red"></use>
-  </svg>
-</body>
diff --git a/svg/struct/reftests/use-ref-inside-data-url.tentative.html b/svg/struct/reftests/use-ref-inside-data-url.tentative.html
deleted file mode 100644
index d6ac2e3..0000000
--- a/svg/struct/reftests/use-ref-inside-data-url.tentative.html
+++ /dev/null
@@ -1,15 +0,0 @@
-<!doctype HTML>
-<meta charset="utf-8">
-<title>Testcase for where SVG loaded via data: uses #ref</title>
-<link rel="help" href="https://svgwg.org/svg2-draft/struct.html#UseElementHrefAttribute">
-<link rel="match" href="reference/green-100x100.html">
-<body>
-<!-- base64 SVG source:
-<svg xmlns="http://www.w3.org/2000/svg">
-  <rect id="green-rect" width="100" height="100" fill="green"/>
-  <rect width="100" height="100" fill="red"/>
-  <use href="#green-rect"/>
-</svg>
--->
-<img src="data:image/svg+xml;charset=utf-8;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPg0KICA8cmVjdCBpZD0iZ3JlZW4tcmVjdCIgd2lkdGg9IjEwMCIgaGVpZ2h0PSIxMDAiIGZpbGw9ImdyZWVuIi8+DQogIDxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJyZWQiLz4NCiAgPHVzZSBocmVmPSIjZ3JlZW4tcmVjdCIvPg0KPC9zdmc+">
-</body>