Update packages/tailwindcss/src/css-functions.test.ts

Co-authored-by: Adam Wathan <adam.wathan@gmail.com>

Author: thecrypticace

packages/tailwindcss/src/css-functions.test.ts

@@ -586,7 +586,7 @@ describe('theme function', () => {
       `)
     })
 
-    test('values that dont exist dont produce candidates', async () => {
+    test("values that don't exist don't produce candidates", async () => {
       // This guarantees that valid candidates still make it through when some are invalid
       expect(
         await compileCss(