diff --git a/src/app/_dialogs/open-file-dialog/open-file-dialog.component.spec.ts b/src/app/_dialogs/open-file-dialog/open-file-dialog.component.spec.ts
index 48fa7b7..ff26d2f 100644
--- a/src/app/_dialogs/open-file-dialog/open-file-dialog.component.spec.ts
+++ b/src/app/_dialogs/open-file-dialog/open-file-dialog.component.spec.ts
@@ -65,7 +65,6 @@ describe('OpenFileDialogComponent', () => {
     fixture.destroy();
   });
 
-
   it('should create', () => {
     expect(component).toBeTruthy();
   });
diff --git a/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.spec.ts b/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.spec.ts
index ae3ad13..67dbd9f 100644
--- a/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.spec.ts
+++ b/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.spec.ts
@@ -1,19 +1,17 @@
-import {HttpClientTestingModule, HttpTestingController} from '@angular/common/http/testing';
 import {async, ComponentFixture, TestBed} from '@angular/core/testing';
 import {FormsModule, ReactiveFormsModule} from '@angular/forms';
-import {MAT_DIALOG_DATA, MatDialogModule, MatDialogRef} from '@angular/material/dialog';
+import {MAT_DIALOG_DATA, MatDialog, MatDialogModule, MatDialogRef} from '@angular/material/dialog';
 import {MatFormFieldModule} from '@angular/material/form-field';
 import {MatIconModule} from '@angular/material/icon';
 import {MatInputModule} from '@angular/material/input';
 import {BrowserAnimationsModule, NoopAnimationsModule} from '@angular/platform-browser/animations';
 import {FormlyModule} from '@ngx-formly/core';
 import {FormlyMaterialModule} from '@ngx-formly/material';
-import {ApiService, MockEnvironment, mockWorkflowSpecCategory0} from 'sartography-workflow-lib';
+import {mockWorkflowSpecCategory0} from 'sartography-workflow-lib';
 import {WorkflowSpecCategoryDialogData} from '../../_interfaces/dialog-data';
 import {WorkflowSpecCategoryDialogComponent} from './workflow-spec-category-dialog.component';
 
-describe('WorkflowSpecDialogComponent', () => {
-  let httpMock: HttpTestingController;
+describe('WorkflowSpecCategoryDialogComponent', () => {
   let component: WorkflowSpecCategoryDialogComponent;
   let fixture: ComponentFixture<WorkflowSpecCategoryDialogComponent>;
 
@@ -24,7 +22,6 @@ describe('WorkflowSpecDialogComponent', () => {
         FormlyModule.forRoot(),
         FormlyMaterialModule,
         FormsModule,
-        HttpClientTestingModule,
         MatDialogModule,
         MatFormFieldModule,
         MatIconModule,
@@ -34,8 +31,6 @@ describe('WorkflowSpecDialogComponent', () => {
       ],
       declarations: [WorkflowSpecCategoryDialogComponent],
       providers: [
-        ApiService,
-        {provide: 'APP_ENVIRONMENT', useClass: MockEnvironment},
         {
           provide: MatDialogRef,
           useValue: {
@@ -43,6 +38,13 @@ describe('WorkflowSpecDialogComponent', () => {
             }
           }
         },
+        {
+          provide: MatDialog,
+          useValue: {
+            close: (dialogResult: any) => {
+            }
+          }
+        },
         {provide: MAT_DIALOG_DATA, useValue: []},
       ]
     })
@@ -50,17 +52,11 @@ describe('WorkflowSpecDialogComponent', () => {
   }));
 
   beforeEach(() => {
-    httpMock = TestBed.inject(HttpTestingController);
     fixture = TestBed.createComponent(WorkflowSpecCategoryDialogComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
   });
 
-  afterEach(() => {
-    httpMock.verify();
-    fixture.destroy();
-  });
-
   it('should create', () => {
     expect(component).toBeTruthy();
   });
diff --git a/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.ts b/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.ts
index ae890f8..7af7f49 100644
--- a/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.ts
+++ b/src/app/_dialogs/workflow-spec-category-dialog/workflow-spec-category-dialog.component.ts
@@ -2,7 +2,6 @@ import {Component, Inject} from '@angular/core';
 import {FormGroup} from '@angular/forms';
 import {MAT_DIALOG_DATA, MatDialogRef} from '@angular/material/dialog';
 import {FormlyFieldConfig, FormlyFormOptions} from '@ngx-formly/core';
-import {v4 as uuidv4} from 'uuid';
 import {WorkflowSpecDialogData} from '../../_interfaces/dialog-data';
 import {toSnakeCase} from '../../_util/string-clean';
 
diff --git a/src/app/_dialogs/workflow-spec-dialog/workflow-spec-dialog.component.spec.ts b/src/app/_dialogs/workflow-spec-dialog/workflow-spec-dialog.component.spec.ts
index 2d017b7..7e7bb90 100644
--- a/src/app/_dialogs/workflow-spec-dialog/workflow-spec-dialog.component.spec.ts
+++ b/src/app/_dialogs/workflow-spec-dialog/workflow-spec-dialog.component.spec.ts
@@ -1,18 +1,20 @@
+import {HttpClientTestingModule, HttpTestingController} from '@angular/common/http/testing';
 import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import {FormsModule, ReactiveFormsModule} from '@angular/forms';
-import { MAT_DIALOG_DATA, MatDialogModule, MatDialogRef } from '@angular/material/dialog';
+import {MAT_DIALOG_DATA, MatDialog, MatDialogModule, MatDialogRef} from '@angular/material/dialog';
 import {MatFormFieldModule} from '@angular/material/form-field';
 import {MatIconModule} from '@angular/material/icon';
 import {MatInputModule} from '@angular/material/input';
 import {BrowserAnimationsModule, NoopAnimationsModule} from '@angular/platform-browser/animations';
 import {FormlyModule} from '@ngx-formly/core';
 import {FormlyMaterialModule} from '@ngx-formly/material';
-import {mockWorkflowSpec0} from 'sartography-workflow-lib';
+import {ApiService, MockEnvironment, mockWorkflowSpec0, mockWorkflowSpecCategories} from 'sartography-workflow-lib';
 import {WorkflowSpecDialogData} from '../../_interfaces/dialog-data';
 
 import { WorkflowSpecDialogComponent } from './workflow-spec-dialog.component';
 
 describe('WorkflowSpecDialogComponent', () => {
+  let httpMock: HttpTestingController;
   let component: WorkflowSpecDialogComponent;
   let fixture: ComponentFixture<WorkflowSpecDialogComponent>;
 
@@ -23,6 +25,7 @@ describe('WorkflowSpecDialogComponent', () => {
         FormlyModule.forRoot(),
         FormlyMaterialModule,
         FormsModule,
+        HttpClientTestingModule,
         MatDialogModule,
         MatFormFieldModule,
         MatIconModule,
@@ -32,6 +35,8 @@ describe('WorkflowSpecDialogComponent', () => {
       ],
       declarations: [ WorkflowSpecDialogComponent ],
       providers: [
+        ApiService,
+        {provide: 'APP_ENVIRONMENT', useClass: MockEnvironment},
         {
           provide: MatDialogRef,
           useValue: {
@@ -39,6 +44,13 @@ describe('WorkflowSpecDialogComponent', () => {
             }
           }
         },
+        {
+          provide: MatDialog,
+          useValue: {
+            close: (dialogResult: any) => {
+            }
+          }
+        },
         {provide: MAT_DIALOG_DATA, useValue: []},
       ]
     })
@@ -46,9 +58,20 @@ describe('WorkflowSpecDialogComponent', () => {
   }));
 
   beforeEach(() => {
+    httpMock = TestBed.inject(HttpTestingController);
     fixture = TestBed.createComponent(WorkflowSpecDialogComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();
+
+    const catReq = httpMock.expectOne('apiRoot/workflow-specification-category');
+    expect(catReq.request.method).toEqual('GET');
+    catReq.flush(mockWorkflowSpecCategories);
+    expect(component.categories.length).toBeGreaterThan(0);
+  });
+
+  afterEach(() => {
+    httpMock.verify();
+    fixture.destroy();
   });
 
   it('should create', () => {