missing imports from generated spec files

[mina-skunk]

Bug, feature request, or proposal:

spec files from schematics fail

What is the expected behavior?

ng test to work out of the box after only ng generate commands

What is the current behavior?

ng test has template errors

What are the steps to reproduce?

ng new errors-schema
cd .\errors-schema\
ng add @angular/material
ng generate @angular/material:material-dashboard --name my-dashboard
ng generate @angular/material:material-nav --name my-nav
ng generate @angular/material:material-table --name my-table
ng test

for my-dashboard I had to add:
imports: [ MatGridListModule, MatMenuModule, MatIconModule, MatCardModule ],

for my-nav I had to add:
imports: [ NoopAnimationsModule, MatSidenavModule, MatToolbarModule, MatListModule, MatIconModule ],

for my-table I had to add:
imports: [ NoopAnimationsModule, MatTableModule, MatPaginatorModule, MatSortModule ],

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Angular CLI: 6.1.4
Node: 8.11.1
OS: win32 x64
Angular: 6.1.3
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.7.4
@angular-devkit/build-angular     0.7.4
@angular-devkit/build-optimizer   0.7.4
@angular-devkit/build-webpack     0.7.4
@angular-devkit/core              0.7.4
@angular-devkit/schematics        0.7.4
@angular/cdk                      6.4.6
@angular/cli                      6.1.4
@angular/material                 6.4.6
@ngtools/webpack                  6.1.4
@schematics/angular               0.7.4
@schematics/update                0.7.4
rxjs                              6.2.2
typescript                        2.7.2
webpack                           4.9.2

I can simply make pull request adding the imports to https://github.com/angular/material2/blob/master/src/lib/schematics/dashboard/files/__path__/__name%40dasherize%40if-flat__/__name%40dasherize__.component.spec.ts if desirable.

[devversion]

Please do. I'd happy to review your Pull Request!

[devversion]

Hey @gatimus, just want to let you know that I've submitted a PR to fix the issue.

Since we need to have the schematics working as soon as possible, I've went ahead and created the change myself. I hope you didn't start working on a pull request. Thanks for the issue though!

[mina-skunk]

@devversion thank you, sorry, I got wrapped up in something else before I saw your comment.

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