Fixes unit tests in bigip_profile_http_compression (#48529)

lib/ansible/modules/network/f5/bigip_profile_http_compression.py

@@ -465,7 +465,7 @@ class ModuleManager(object):
             return True
         raise F5ModuleError(resp.content)
 
-    def read_current_from_device(self):
+    def read_current_from_device(self):  # lgtm [py/similar-function]
         uri = "https://{0}:{1}/mgmt/tm/ltm/profile/http-compression/{2}".format(
             self.client.provider['server'],
             self.client.provider['server_port'],
@@ -527,8 +527,9 @@ def main():
         supports_check_mode=spec.supports_check_mode,
     )
 
+    client = F5RestClient(**module.params)
+
     try:
-        client = F5RestClient(**module.params)
         mm = ModuleManager(module=module, client=client)
         results = mm.exec_module()
         cleanup_tokens(client)