wpt: Unskip the `css-tables suite (#31131)

This will be useful for tracking improvements to table support.

tests/wpt/meta/css/css-tables/tentative/table-width-redistribution-fixed.html.ini

@@ -0,0 +1,75 @@
+[table-width-redistribution-fixed.html]
+  [table 1]
+    expected: FAIL
+
+  [table 3]
+    expected: FAIL
+
+  [table 4]
+    expected: FAIL
+
+  [table 5]
+    expected: FAIL
+
+  [table 6]
+    expected: FAIL
+
+  [table 7]
+    expected: FAIL
+
+  [table 8]
+    expected: FAIL
+
+  [table 9]
+    expected: FAIL
+
+  [table 10]
+    expected: FAIL
+
+  [table 11]
+    expected: FAIL
+
+  [table 12]
+    expected: FAIL
+
+  [table 13]
+    expected: FAIL
+
+  [table 14]
+    expected: FAIL
+
+  [table 15]
+    expected: FAIL
+
+  [table 16]
+    expected: FAIL
+
+  [table 17]
+    expected: FAIL
+
+  [table 18]
+    expected: FAIL
+
+  [table 19]
+    expected: FAIL
+
+  [table 20]
+    expected: FAIL
+
+  [table 21]
+    expected: FAIL
+
+  [table 22]
+    expected: FAIL
+
+  [table 23]
+    expected: FAIL
+
+  [table 24]
+    expected: FAIL
+
+  [table 25]
+    expected: FAIL
+
+  [table 26]
+    expected: FAIL