ng test --app name|index always runs tests for apps[0]

[j-zielinski]

Bug Report or Feature Request (mark with an x)

- [x] bug report
- [ ] feature request

Versions.

@angular/cli: 1.4.2
node: 6.9.0
os: darwin x64
@angular/animations: 4.4.1
@angular/common: 4.4.1
@angular/compiler: 4.4.1
@angular/core: 4.4.1
@angular/forms: 4.4.1
@angular/http: 4.4.1
@angular/platform-browser: 4.4.1
@angular/platform-browser-dynamic: 4.4.1
@angular/router: 4.4.1
@angular/cli: 1.4.2
@angular/compiler-cli: 4.4.1
@angular/language-service: 4.4.1
typescript: 2.3.4

Repro steps.

• Follow Multiple apps story
• run ng test --app 1
• CLI runs tests for apps[0]

Desired functionality.

CLI runs expected tests

Mention any other details that might be useful.

models/webpack-configs/tests.ts#L22

  const appConfig = CliConfig.fromProject().config.apps[0];

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