fix: Added missing add_host parameter to start-api entry methods (#6551)

* Fixed merge issue where --add-host was not merged correctly

* Add host to test class base

samcli/commands/local/start_api/cli.py

@@ -203,6 +203,7 @@ def do_cli(  # pylint: disable=R0914
     debug_function,
     container_host,
     container_host_interface,
+    add_host,
     invoke_image,
     hook_name,
     ssl_cert_file,
@@ -251,6 +252,7 @@ def do_cli(  # pylint: disable=R0914
             container_host=container_host,
             container_host_interface=container_host_interface,
             invoke_images=processed_invoke_images,
+            add_host=add_host,
         ) as invoke_context:
             ssl_context = (ssl_cert_file, ssl_key_file) if ssl_cert_file else None
             service = LocalApiService(

tests/unit/commands/local/start_api/test_cli.py

@@ -51,6 +51,7 @@ def setUp(self):
         self.ssl_cert_file = None
         self.ssl_key_file = None
         self.static_dir = "staticdir"
+        self.add_host = []
 
         self.container_host = "localhost"
         self.container_host_interface = "127.0.0.1"
@@ -94,6 +95,7 @@ def test_cli_must_setup_context_and_start_service(self, local_api_service_mock,
             shutdown=self.shutdown,
             container_host=self.container_host,
             container_host_interface=self.container_host_interface,
+            add_host=self.add_host,
             invoke_images={},
         )
 
@@ -225,4 +227,5 @@ def call_cli(self):
             ssl_cert_file=self.ssl_cert_file,
             ssl_key_file=self.ssl_key_file,
             disable_authorizer=self.disable_authorizer,
+            add_host=self.add_host,
         )