diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6f2f5700f938c6e498e23ce173a31e3216f7eec1..fe592d8140f0e311f784b2c825a634b19e2129d7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,6 +13,7 @@ ci_frontend:
   artifacts:
     paths:
       - ci_frontend.log
+    when: always
 ci_backend:
   stage: ci
   script:
@@ -20,6 +21,7 @@ ci_backend:
   artifacts:
     paths:
       - ci_backend.log
+    when: always
 coverage:
   stage: coverage
   script:
@@ -28,4 +30,5 @@ coverage:
   artifacts:
     paths:
       - coverage.log
+    when: always
   coverage: '/Statements.*?(\d+(?:\.\d+)?)%/'
diff --git a/mc_frontend/src/app/corpus.service.spec.ts b/mc_frontend/src/app/corpus.service.spec.ts
index 02829f9a05b4b301b3c52be7032e593fd57dd379..84258b8a9a519d14afc97f521068e50258821a76 100644
--- a/mc_frontend/src/app/corpus.service.spec.ts
+++ b/mc_frontend/src/app/corpus.service.spec.ts
@@ -23,6 +23,7 @@ import {TextRange} from './models/textRange';
 import Spy = jasmine.Spy;
 import {AnnisResponse, NodeMC} from '../../openapi';
 import {Phenomenon} from '../../openapi';
+import {Subscription} from 'rxjs';
 
 describe('CorpusService', () => {
     let httpClient: HttpClient;
@@ -251,12 +252,17 @@ describe('CorpusService', () => {
     it('should initialize the current corpus', fakeAsync(() => {
         helperService.applicationState.next(new ApplicationState());
         let corpus: CorpusMC = {source_urn: ''};
+        const subscriptions: Subscription[] = [];
 
         function initCorpus(): void {
+            subscriptions.forEach((sub: Subscription, idx: number, subList: Subscription[]) => {
+                sub.unsubscribe();
+                delete subList[idx];
+            });
             corpusService.initCurrentCorpus().then(() => {
-                corpusService.currentCorpus.subscribe((cc: CorpusMC) => {
+                subscriptions.push(corpusService.currentCorpus.subscribe((cc: CorpusMC) => {
                     corpus = cc;
-                });
+                }));
             });
             flushMicrotasks();
         }
diff --git a/mc_frontend/src/app/models/mockMC.ts b/mc_frontend/src/app/models/mockMC.ts
index ab460d2a81c2a4b2af3027fd147f6f775bd6a9f8..5cd839bca6119e78217022b49cc6b1b9a32f8171 100644
--- a/mc_frontend/src/app/models/mockMC.ts
+++ b/mc_frontend/src/app/models/mockMC.ts
@@ -29,7 +29,7 @@ export default class MockMC {
     };
     static applicationState: ApplicationState = new ApplicationState({
         currentSetup: new TextData({
-            currentCorpus: {citations: {}, source_urn: ''},
+            currentCorpus: {citations: {}, source_urn: 'exampleUrn'},
             currentTextRange: new TextRange({start: ['1', '2'], end: ['1', '2']})
         }),
         mostRecentSetup: new TextData({