No double slash in selenium

client/webpack.config.js

@@ -25,6 +25,7 @@ module.exports = (env = {}, argv = {}) => {
         },
         output: {
             path: path.join(__dirname, "../", "/static/dist"),
+            publicPath: "/static/dist/",
             filename: "[name].bundled.js",
         },
         resolve: {

lib/galaxy_test/base/testcase.py

@@ -32,7 +32,7 @@ class FunctionalTestCase(unittest.TestCase):
         if server_wrapper:
             self.host = server_wrapper.host
             self.port = server_wrapper.port
-            self.url = f"http://{self.host}:{self.port}{server_wrapper.prefix}/"
+            self.url = f"http://{self.host}:{self.port}{server_wrapper.prefix.rstrip('/')}/"
         self.test_data_resolver = TestDataResolver()
         self.keepOutdir = setup_keep_outdir()
 

lib/galaxy_test/driver/integration_util.py

@@ -117,7 +117,7 @@ class IntegrationInstance(UsesApiTestCaseMixin):
         host = server_wrapper.host
         port = server_wrapper.port
         prefix = server_wrapper.prefix or ''
-        self.url = f"http://{host}:{port}{prefix}/"
+        self.url = f"http://{host}:{port}{prefix.rstrip('/')}/"
         self._setup_interactor()
 
     def restart(self, handle_reconfig=None):