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diff --git a/spec/frontend/diffs/components/diff_inline_findings_item_spec.js b/spec/frontend/diffs/components/diff_inline_findings_item_spec.js
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+++ b/spec/frontend/diffs/components/diff_inline_findings_item_spec.js
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+import { GlIcon, GlLink } from '@gitlab/ui';
+import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import DiffInlineFindingsItem from '~/diffs/components/diff_inline_findings_item.vue';
+import { SEVERITY_CLASSES, SEVERITY_ICONS } from '~/ci/reports/codequality_report/constants';
+import { multipleFindingsArrCodeQualityScale } from '../mock_data/inline_findings';
+
+let wrapper;
+
+const [codeQualityFinding] = multipleFindingsArrCodeQualityScale;
+const findIcon = () => wrapper.findComponent(GlIcon);
+const findButton = () => wrapper.findComponent(GlLink);
+const findDescriptionPlainText = () => wrapper.findByTestId('description-plain-text');
+const findDescriptionLinkSection = () => wrapper.findByTestId('description-button-section');
+
+describe('DiffCodeQuality', () => {
+  const createWrapper = ({ glFeatures = {}, link = true } = {}) => {
+    return shallowMountExtended(DiffInlineFindingsItem, {
+      propsData: {
+        finding: codeQualityFinding,
+        link,
+      },
+      provide: {
+        glFeatures,
+      },
+    });
+  };
+
+  it('shows icon for given degradation', () => {
+    wrapper = createWrapper();
+    expect(findIcon().exists()).toBe(true);
+
+    expect(findIcon().attributes()).toMatchObject({
+      class: `inline-findings-severity-icon ${SEVERITY_CLASSES[codeQualityFinding.severity]}`,
+      name: SEVERITY_ICONS[codeQualityFinding.severity],
+      size: '12',
+    });
+  });
+
+  describe('with codeQualityInlineDrawer flag false', () => {
+    it('should render severity + description in plain text', () => {
+      wrapper = createWrapper({
+        glFeatures: {
+          codeQualityInlineDrawer: false,
+        },
+      });
+      expect(findDescriptionPlainText().text()).toContain(codeQualityFinding.severity);
+      expect(findDescriptionPlainText().text()).toContain(codeQualityFinding.description);
+    });
+  });
+
+  describe('with codeQualityInlineDrawer flag true', () => {
+    const [{ description, severity }] = multipleFindingsArrCodeQualityScale;
+    const renderedText = `${severity} - ${description}`;
+    it('when link prop is true, should render gl-link', () => {
+      wrapper = createWrapper({
+        glFeatures: {
+          codeQualityInlineDrawer: true,
+        },
+      });
+
+      expect(findButton().exists()).toBe(true);
+      expect(findButton().text()).toBe(renderedText);
+    });
+
+    it('when link prop is false, should not render gl-link', () => {
+      wrapper = createWrapper({
+        glFeatures: {
+          codeQualityInlineDrawer: true,
+        },
+        link: false,
+      });
+
+      expect(findButton().exists()).toBe(false);
+      expect(findDescriptionLinkSection().text()).toBe(renderedText);
+    });
+  });
+});