Fix test_prefix_option not being run

Author: Flamefire

test/framework/options.py

@@ -4430,7 +4430,7 @@ def test_modules_tool_vs_syntax_check(self):
             regex = re.compile(pattern, re.M)
             self.assertTrue(regex.search(stdout), "Pattern '%s' found in: %s" % (regex.pattern, stdout))
 
-    def test_prefix(self):
+    def test_prefix_option(self):
         """Test which configuration settings are affected by --prefix."""
         txt, _ = self._run_mock_eb(['--show-full-config', '--prefix=%s' % self.test_prefix], raise_error=True)