remove duplicate tests

Author: lobsterkatie

packages/utils/test/severity.test.ts

@@ -2,13 +2,8 @@ import { severityFromString, validSeverityLevels } from '../src/severity';
 
 describe('severityFromString()', () => {
   describe('normalize warn and warning', () => {
-    test('handles warn and warning', () => {
+    test("converts 'warn' to 'warning'", () => {
       expect(severityFromString('warn')).toBe('warning');
-      expect(severityFromString('warning')).toBe('warning');
-    });
-    test('handles warn and warning', () => {
-      expect(severityFromString('warn')).toBe('warning');
-      expect(severityFromString('warning')).toBe('warning');
     });
   });
   describe('default to log', () => {