content test [nfc]: Move an unsupported-KaTeX test into its group

Author: chrisbobbe

test/widgets/content_test.dart

@@ -1028,21 +1028,21 @@ void main() {
         });
     });
 
-    testWidgets('maintains font-size ratio with surrounding text, when falling back to TeX source', (tester) async {
-      const unsupportedHtml = '<span class="katex">'
-        '<span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>λ</mi></mrow>'
-          '<annotation encoding="application/x-tex"> \\lambda </annotation></semantics></math></span>'
-        '<span class="katex-html" aria-hidden="true">'
-          '<span class="base unknown">' // Server doesn't generate this 'unknown' class.
-          '<span class="strut" style="height:0.6944em;"></span>'
-          '<span class="mord mathnormal">λ</span></span></span></span>';
-      await checkFontSizeRatio(tester,
-        targetHtml: unsupportedHtml,
-        targetFontSizeFinder: mkTargetFontSizeFinderFromPattern(r'\lambda'));
-    });
-
     group('fallback to displaying KaTeX source if unsupported KaTeX HTML', () {
       testContentSmoke(ContentExample.mathInlineUnknown);
+
+      testWidgets('maintains font-size ratio with surrounding text, when falling back to TeX source', (tester) async {
+        const unsupportedHtml = '<span class="katex">'
+          '<span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>λ</mi></mrow>'
+            '<annotation encoding="application/x-tex"> \\lambda </annotation></semantics></math></span>'
+          '<span class="katex-html" aria-hidden="true">'
+            '<span class="base unknown">' // Server doesn't generate this 'unknown' class.
+            '<span class="strut" style="height:0.6944em;"></span>'
+            '<span class="mord mathnormal">λ</span></span></span></span>';
+        await checkFontSizeRatio(tester,
+          targetHtml: unsupportedHtml,
+          targetFontSizeFinder: mkTargetFontSizeFinderFromPattern(r'\lambda'));
+      });
     });
   });