Grails. Running functional test unexpected differences

I'm trying to run functional test with GEB and Remote Control plugin.
When I have an already running local-host app and I fire up functional testing the remote control seams not to be able to access the domains. (as it was not accessible Method on class [xxx] was used outside of a Grails application....)
But when I don't have a running app and the fired up functional test and the app is starting before the test execution the remote control has access to domains but the CSS are not leaded properly.

We are using java version 1.7.0_79, grails-2.4.3
build.config : compile ":remote-control:2.0"

The standard run off application is running Development environment and the run of functional testing is running environment test.

The issue with development is that Remote control is asking
```
String getFunctionalTestBaseUrl() {
System.getProperty(FUNCTIONAL_BASE_URL_PROPERTY)
}
```
And this returns [http://localhost:9001null/](http://localhost:9001null/) and in env test run it returns proper value.

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*Imported from [IDEA-161615](https://youtrack.jetbrains.com/issue/IDEA-161615) · Type: Bug · Votes: 0*
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Reproduce the functional test with Java 1.7.0_79, Grails 2.4.3, GEB, and Remote Control 2.0, comparing a running development app with an app started for the test environment. Inspect the functional test base URL, especially the reported http://localhost:9001null/ value, and the CSS loading behavior; done means domains are accessible and CSS loads in both relevant runs.

Written by the indexing model from the issue text.