spectator service produces no spec file

[troywweber7]

I'm submitting a...

[X] Regression (a behavior that used to work and stopped working in a new release)

Current behavior

$ ng g @ngneat/spectator:ss sample --is-data-service=true -d
CREATE apps/lab/ui/src/app/samples/sample.service.ts (135 bytes)

NOTE: The "dryRun" flag means no changes were made.

Expected behavior

$ ng g @ngneat/spectator:ss sample --is-data-service=true -d
CREATE apps/lab/ui/src/app/samples/sample.service.ts (135 bytes)
CREATE apps/lab/ui/src/app/samples/sample.service.spec.ts (??? bytes)

NOTE: The "dryRun" flag means no changes were made.

Environment

Angular version:  8.2.14
 
For Tooling issues:
- Node version: 10.16.3
- Platform: Linux