Update tests to not hard-code strings

- use mock data for tests

ee/spec/frontend/vulnerabilities/vulnerability_list_spec.js

@@ -118,23 +118,28 @@ describe('Vulnerability list component', () => {
 
     it('should display the vulnerability locations', () => {
       expect(findDataCell(`location-${newVulnerabilities[0].id}`).text()).toContain(
-        'Administrator / Security reports',
+        newVulnerabilities[0].project.nameWithNamespace,
       );
       expect(findDataCell(`location-${newVulnerabilities[0].id}`).text()).toContain(
-        'registry.gitlab.com/groulot/container-scanning-test/master:5f21de6956aee99ddb68ae49498662d9872f50ff',
+        newVulnerabilities[0].location.image,
       );
+      expect(findDataCell(`location-${newVulnerabilities[0].id}`).text()).not.toContain('(line: ');
       expect(findDataCell(`location-${newVulnerabilities[1].id}`).text()).toContain(
-        'Administrator / Vulnerability reports',
+        newVulnerabilities[1].project.nameWithNamespace,
       );
       expect(findDataCell(`location-${newVulnerabilities[1].id}`).text()).toContain(
-        'src/main/java/com/gitlab/security_products/tests/App.java (line: 1337)',
+        newVulnerabilities[1].location.file,
+      );
+      expect(findDataCell(`location-${newVulnerabilities[1].id}`).text()).toContain(
+        newVulnerabilities[1].location.startLine,
       );
       expect(findDataCell(`location-${newVulnerabilities[2].id}`).text()).toContain(
-        'Mixed Vulnerabilities / Dependency List Test 01',
+        newVulnerabilities[2].project.nameWithNamespace,
       );
       expect(findDataCell(`location-${newVulnerabilities[2].id}`).text()).toContain(
-        'src/main/java/com/gitlab/security_products/tests/App.java',
+        newVulnerabilities[2].location.file,
       );
+      expect(findDataCell(`location-${newVulnerabilities[2].id}`).text()).not.toContain('(line: ');
     });
 
     it('should not display the vulnerability report type', () => {