disambiguate `test_literal_include_lineno_match`

tests/roots/test-directive-code/lineno_match.rst

@@ -3,7 +3,7 @@ Literal Includes with Line Numbers Matching
 
 .. literalinclude:: literal.inc
    :language: python
-   :pyobject: Bar
+   :pyobject: Foo
    :lineno-match:
 
 .. literalinclude:: literal.inc

tests/test_directive_code.py

@@ -197,9 +197,8 @@ def test_literal_include_lineno_match(app, status, warning):
     html = (app.outdir / 'lineno_match.html').text(encoding='utf-8')
     pyobject = (
         '<td class="linenos"><div class="linenodiv"><pre>'
-        ' 9\n'
-        '10\n'
-        '11</pre></div></td>')
+        '6\n'
+        '7</pre></div></td>')
 
     assert pyobject in html