SymFony2, manually configured bundle report unable to parse error

The error message is as follows
Parseexception:unable to parse on line 2 (near "resource:" @TestBundle/resources/config/routing.yml ").

File content is
Test:
Resource: "@TestBundle/resources/config/routing.yml"
Prefix:/

is @testbundle not recognized or what is the problem? Does anybody know that, Xie?

The content of DEMO/TEST/RESOURCES/CONFIG/ROUTING.YML is

Test_homepage:
Path:/test/test/demo
Defaults: {_controller:testbundle:testcontroller:index}

Error is unresolved ...//symfony2.4.3/app/config/routing_dev.yml

Reply content:

The error message is as follows
Parseexception:unable to parse on line 2 (near "resource:" @TestBundle/resources/config/routing.yml ").

File content is
Test:
Resource: "@TestBundle/resources/config/routing.yml"
Prefix:/

is @testbundle not recognized or what is the problem? Does anybody know that, Xie?

The content of DEMO/TEST/RESOURCES/CONFIG/ROUTING.YML is

Test_homepage:
Path:/test/test/demo
Defaults: {_controller:testbundle:testcontroller:index}

Error is unresolved ...//symfony2.4.3/app/config/routing_dev.yml

When you were writing the Routing.yml file,
Test:
(here) resource: "@TestBundle/resources/config/routing.yml"
(here) Prefix:/
Do you use the tab to start a space or a space key? ROUTING.YML does not support opening tab spaces

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