Bug 1476542 [wpt PR 12049] - Update wpt metadata, a=testonly

wpt-pr: 12049
wpt-type: metadata

testing/web-platform/meta/trusted-types/block-string-assignment-to-window-open.tentative.html.ini

@@ -0,0 +1,25 @@
+[block-string-assignment-to-window-open.tentative.html]
+  [window.open: safe URL, safe construction.]
+    expected: FAIL
+
+  [window.open: safe URL, unsafe construction.]
+    expected: FAIL
+
+  [document.open: safe URL, safe construction.]
+    expected: FAIL
+
+  [document.open: safe URL, unsafe construction.]
+    expected: FAIL
+
+  [`window.open(string)` throws.]
+    expected: FAIL
+
+  [`document.open(string)` throws.]
+    expected: FAIL
+
+  [`window.open(null)` throws.]
+    expected: FAIL
+
+  [`document.open(null)` throws.]
+    expected: FAIL
+

testing/web-platform/meta/trusted-types/window-open.tentative.html.ini

@@ -0,0 +1,13 @@
+[window-open.tentative.html]
+  [window.open: safe URL, safe construction.]
+    expected: FAIL
+
+  [window.open: safe URL, unsafe construction.]
+    expected: FAIL
+
+  [document.open: safe URL, safe construction.]
+    expected: FAIL
+
+  [document.open: safe URL, unsafe construction.]
+    expected: FAIL
+