diff --git a/src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts b/src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
index c3b6b486a9f..17dc94277d9 100644
--- a/src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
+++ b/src/vs/workbench/contrib/snippets/browser/snippetCompletionProvider.ts
@@ -85,13 +85,13 @@ export class SnippetCompletionProvider implements CompletionItemProvider {
 	async provideCompletionItems(model: ITextModel, position: Position, context: CompletionContext): Promise<CompletionList> {
 
 		const sw = new StopWatch();
+		const lineContentLow = model.getLineContent(position.lineNumber).toLowerCase();
+		const wordUntil = model.getWordUntilPosition(position).word.toLowerCase();
+
 		const languageId = this._getLanguageIdAtPosition(model, position);
 		const languageConfig = this._languageConfigurationService.getLanguageConfiguration(languageId);
 		const snippets = new Set(await this._snippets.getSnippets(languageId));
 
-		const lineContentLow = model.getLineContent(position.lineNumber).toLowerCase();
-		const wordUntil = model.getWordUntilPosition(position).word.toLowerCase();
-
 		const suggestions: SnippetCompletion[] = [];
 		const columnOffset = position.column - 1;
 
diff --git a/src/vs/workbench/contrib/snippets/test/browser/snippetsService.test.ts b/src/vs/workbench/contrib/snippets/test/browser/snippetsService.test.ts
index e74a499f9c0..084a9b64dde 100644
--- a/src/vs/workbench/contrib/snippets/test/browser/snippetsService.test.ts
+++ b/src/vs/workbench/contrib/snippets/test/browser/snippetsService.test.ts
@@ -819,4 +819,36 @@ suite('SnippetsService', function () {
 		const first = result.suggestions[0];
 		assert.strictEqual((<CompletionItemRanges>first.range).insert.startColumn, 5);
 	});
+
+	test.skip('Autocomplete suggests based on the last letter of a word and it depends on the typing speed #191070', async function () {
+		snippetService = new SimpleSnippetService([
+			new Snippet(false, ['fooLang'], '/whiletrue', '/whiletrue', '', 'one', '', SnippetSource.User, generateUuid()),
+			new Snippet(false, ['fooLang'], '/sc not expanding', '/sc not expanding', '', 'two', '', SnippetSource.User, generateUuid()),
+		]);
+
+		const provider = new SnippetCompletionProvider(languageService, snippetService, disposables.add(new TestLanguageConfigurationService()));
+		const model = disposables.add(instantiateTextModel(instantiationService, '', 'fooLang'));
+
+		{ // PREFIX: w
+			model.setValue('w');
+			const result1 = await provider.provideCompletionItems(
+				model,
+				new Position(1, 2),
+				{ triggerKind: CompletionTriggerKind.Invoke }
+			);
+			assert.strictEqual(result1.suggestions.length, 1);
+			assert.strictEqual(result1.suggestions[0].insertText, 'one');
+		}
+
+		{ // PREFIX: where
+			model.setValue('where');
+			const result2 = await provider.provideCompletionItems(
+				model,
+				new Position(1, 6),
+				{ triggerKind: CompletionTriggerKind.Invoke }
+			);
+			assert.strictEqual(result2.suggestions.length, 1);
+			assert.strictEqual(result2.suggestions[1].insertText, 'one'); // /whiletrue matches where (WHilEtRuE)
+		}
+	});
 });
diff --git a/test/unit/electron/index.js b/test/unit/electron/index.js
index 81c5752111d..a02bce4999c 100644
--- a/test/unit/electron/index.js
+++ b/test/unit/electron/index.js
@@ -43,8 +43,8 @@ const minimist = require('minimist');
  * }}
  */
 const args = minimist(process.argv.slice(2), {
-	string: ['grep', 'run', 'runGlob', 'dev', 'reporter', 'reporter-options', 'wait-server', 'timeout', 'crash-reporter-directory', 'tfs'],
-	boolean: ['build', 'coverage', 'help'],
+	string: ['grep', 'run', 'runGlob', 'reporter', 'reporter-options', 'wait-server', 'timeout', 'crash-reporter-directory', 'tfs'],
+	boolean: ['build', 'coverage', 'help', 'dev'],
 	alias: {
 		'grep': ['g', 'f'],
 		'runGlob': ['glob', 'runGrep'],