Tests on samp reducer => DONE

client/src/app/instance/store/reducers/samp.reducer.ts

@@ -11,6 +11,11 @@ import { createReducer, on } from '@ngrx/store';
 
 import * as sampActions from '../actions/samp.actions';
 
+/**
+ * Interface for samp state.
+ *
+ * @interface State
+ */
 export interface State {
     registered: boolean;
 }