Update tests based on review

Author: Pijukatel

src/apify_client/clients/base/base_client.py

@@ -22,7 +22,9 @@ def _url(self, path: str | None = None, *, public: bool = False) -> str:
         url = f'{self.url}/{path}' if path is not None else self.url
 
         if public:
-            return url.replace(self.root_client.base_url, self.root_client.public_base_url)
+            if not url.startswith(self.root_client.base_url):
+                raise ValueError('API based URL has to start with `self.root_client.base_url`')
+            return url.replace(self.root_client.base_url, self.root_client.public_base_url, 1)
         return url
 
     def _params(self, **kwargs: Any) -> dict:

tests/integration/conftest.py

@@ -16,6 +16,7 @@
         ('https://api.apify.com', 'https://custom-public-url.com/with/custom/path'),
         ('https://api.apify.com', 'https://custom-public-url.com/with/custom/path/'),
         ('http://10.0.88.214:8010', 'https://api.apify.com'),
+        ('http://10.0.88.214:8010', None),
     ],
 )