Reorganize test for service

Removed unneeded tests
Aligned with testing best practices

ee/spec/services/ee/issues/build_from_vulnerability_service_spec.rb

@@ -3,14 +3,11 @@
 require 'spec_helper'
 
 RSpec.describe Issues::BuildFromVulnerabilityService do
+  describe '#execute' do
     let_it_be(:group)   { create(:group) }
     let_it_be(:project) { create(:project, :public, :repository, namespace: group) }
     let_it_be(:user)    { create(:user) }
-  let(:vulnerability) { create(:vulnerability, :with_finding, project: project) }
-  let(:params) { { vulnerability: vulnerability } }
-  let(:issue) { described_class.new(project, user, params).execute }
 
-  describe '#execute' do
     before_all do
       group.add_developer(user)
     end
@@ -19,48 +16,18 @@ RSpec.describe Issues::BuildFromVulnerabilityService do
       stub_licensed_features(security_dashboard: true)
     end
 
-    context 'when a vulnerability has remediations' do
-      let(:vulnerability) { create(:vulnerability, :with_remediation, project: project) }
-
-      context 'when raw_metadata has no remediations' do
-        let(:vulnerability) { create(:vulnerability, :with_finding, project: project) }
-
-        it 'does not display Remediations section' do
-          expect(vulnerability.remediations).to eq(nil)
-          expect(issue.description).not_to match(/Remediations/)
-        end
-      end
-
-      context 'when raw_metadata has empty remediations key' do
-        before do
-          finding = vulnerability.finding
-          metadata = Gitlab::Json.parse(finding.raw_metadata)
-          metadata["remediations"] = [nil]
-          finding.raw_metadata = metadata.to_json
-          finding.save!
-        end
-
-        it 'does not display Remediations section' do
-          expect(vulnerability.remediations).to eq([nil])
-          expect(issue.description).not_to match(/Remediations/)
-        end
-      end
-
-      context 'when raw_metadata has a remediation' do
-        it 'displays Remediations section' do
-          expect(vulnerability.remediations.length).to eq(1)
-          expect(issue.description).to match(/Remediations/)
-        end
+    it 'builds the issue with the given params' do
+      vulnerability = create(:vulnerability, :with_finding, project: project)
+      service = described_class.new(project, user, vulnerability: vulnerability)
 
-        it 'attaches the diff' do
-          expect(issue.description).to match(/This is a diff/)
-        end
-      end
-    end
+      issue = service.execute
 
-    context 'when an issue is built' do
-      let(:expected_title) { "Investigate vulnerability: #{vulnerability.title}" }
-      let(:expected_description) do
+      expect(issue).not_to be_persisted
+      expect(issue).to have_attributes(
+        project: project,
+        author: user,
+        title: "Investigate vulnerability: #{vulnerability.title}",
+        description:
           <<~DESC
             Issue created from vulnerability <a href="http://localhost/#{group.name}/#{project.name}/-/security/vulnerabilities/#{vulnerability.id}">#{vulnerability.id}</a>
 
@@ -88,23 +55,18 @@ RSpec.describe Issues::BuildFromVulnerabilityService do
 
             * Name: Find Security Bugs
           DESC
+      )
     end
 
-      it 'builds the issue with the given params' do
-        expected_attributes = {
-          project: project,
-          author: user,
-          title: expected_title,
-          description: expected_description
-        }
+    context 'when a vulnerability has remediations' do
+      it 'displays Remediations section with attached diff' do
+        vulnerability = create(:vulnerability, :with_remediation, project: project)
+        service = described_class.new(project, user, vulnerability: vulnerability)
 
-        expect(issue).not_to be_persisted
-        expect(issue).to have_attributes(expected_attributes)
-        # expect(issue.project).to eq(project)
-        # expect(issue.author).to eq(user)
-        # expect(issue.title).to eq(expected_title)
-        # expect(issue.description.strip).to eq(expected_description)
-        # expect(issue).to be_confidential
+        issue = service.execute
+
+        expect(issue.description).to match(/Remediations/)
+        expect(issue.description).to match(/This is a diff/)
       end
     end
   end