test: fix Sphinx 7 incompat

tests/conftest.py

@@ -86,11 +86,14 @@ def file_regression(file_regression):
 
 
 class FileRegression:
-    ignores = (
+    ignores = (    )
+    changes = (
         # TODO: Remove when support for Sphinx<=6 is dropped,
-        re.escape(" translation_progress=\"{'total': 0, 'translated': 0}\""),
+        (re.escape(" translation_progress=\"{'total': 0, 'translated': 0}\""), ""),
         # TODO: Remove when support for Sphinx<7.2 is dropped,
-        r"original_uri=\"[^\"]*\"\s",
+        (r"original_uri=\"[^\"]*\"\s", ""),
+        # TODO: Remove when support for Sphinx<7.2 is dropped
+        ("Link to", "Permalink to")
     )
 
     def __init__(self, file_regression):
@@ -100,6 +103,6 @@ def check(self, data, **kwargs):
         return self.file_regression.check(self._strip_ignores(data), **kwargs)
 
     def _strip_ignores(self, data):
-        for ig in self.ignores:
-            data = re.sub(ig, "", data)
+        for src, dst in self.changes:
+            data = re.sub(src, dst, data)
         return data

tests/test_solution/_linked_enum.html

@@ -6,6 +6,6 @@
 \[P_t(x, y) = \mathbb 1\{x = y\} + t Q(x, y) + o(t)\]</div>
 <p>Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
 <div class="math notranslate nohighlight" id="equation-ex-math">
-<span class="eqno">(1)<a class="headerlink" href="#equation-ex-math" title="Link to this equation">¶</a></span>\[P_t(x, y) = \mathbb 1\{x = y\} + t Q(x, y) + o(t)\]</div>
+<span class="eqno">(1)<a class="headerlink" href="#equation-ex-math" title="Permalink to this equation">¶</a></span>\[P_t(x, y) = \mathbb 1\{x = y\} + t Q(x, y) + o(t)\]</div>
 </section>
 </div>