feat: resolve lint/build/test errors

client/src/app/inputs/multi-line/multi-line.component.spec.ts

@@ -1,4 +1,10 @@
+/**
+ * @copyright nhcarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
 import { type ComponentFixture, TestBed } from "@angular/core/testing";
+import { ReactiveFormsModule } from "@angular/forms";
 import { MultiLineComponent } from "./multi-line.component";
 
 describe("MultiLineComponent", () => {
@@ -7,7 +13,7 @@ describe("MultiLineComponent", () => {
 
   beforeEach(async() => {
     await TestBed.configureTestingModule({
-      imports: [ MultiLineComponent ],
+      imports: [ MultiLineComponent, ReactiveFormsModule ],
     }).
       compileComponents();