Add parser test for search descriptors.

Bug: 311643446
Test: npm run test:unit:ci
Change-Id: I18f09908dec3f04186c48be8f5d8c3b881e8a08d
diff --git a/tools/winscope/src/parsers/search/parser_search_test.ts b/tools/winscope/src/parsers/search/parser_search_test.ts
index af06ca1..82ec792 100644
--- a/tools/winscope/src/parsers/search/parser_search_test.ts
+++ b/tools/winscope/src/parsers/search/parser_search_test.ts
@@ -59,6 +59,12 @@
       expect(parser.getCoarseVersion()).toEqual(CoarseVersion.LATEST);
     });
 
+    it('has expected descriptors', () => {
+      expect(parser.getDescriptors()).toEqual([
+        'SELECT * FROM surfaceflinger_layers_snapshot',
+      ]);
+    });
+
     it('has length entries equal to number of rows', () => {
       expect(parser.getLengthEntries()).toEqual(21);
     });