Fix typos

Signed-off-by: Dimitris Apostolou <dimitris.apostolou@icloud.com>

plugins/search-backend-node/src/Scheduler.test.ts

@@ -61,7 +61,7 @@ describe('Scheduler', () => {
       // Stop scheduling process
       testScheduler.stop();
 
-      // Should't throw error, as it is stopped.
+      // Shouldn't throw error, as it is stopped.
       expect(() =>
         testScheduler.addToSchedule(mockTask2, 4),
       ).not.toThrowError();

plugins/search-backend-node/src/engines/LunrSearchEngine.test.ts

@@ -932,7 +932,7 @@ describe('LunrSearchEngine', () => {
       });
       inspectableSearchEngine.setDocStore({ 'existing-location': doc });
 
-      // Mock methds called by close handler.
+      // Mock methods called by close handler.
       indexerMock.buildIndex.mockReturnValueOnce('expected-index');
       indexerMock.getDocumentStore.mockReturnValueOnce({
         'new-location': doc,

plugins/search-backend-node/src/engines/LunrSearchEngine.ts

@@ -68,7 +68,7 @@ export class LunrSearchEngine implements SearchEngine {
       lunrQueryBuilder: q => {
         const termToken = lunr.tokenizer(term);
 
-        // Support for typeahead seach is based on https://github.com/olivernn/lunr.js/issues/256#issuecomment-295407852
+        // Support for typeahead search is based on https://github.com/olivernn/lunr.js/issues/256#issuecomment-295407852
         // look for an exact match and apply a large positive boost
         q.term(termToken, {
           usePipeline: true,