Use @for to Create a Sass Loop - test failure - potential error?

Use @for to Create a Sass Loop - test failure - potential error?
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#1

jgburton1h1
Tell us what’s happening:
The code is passing the first test, but not the other tests. I don’t understand why the other tests aren’t passed? Potential error?

Here are other tests to pass:
Your .text-1 class should have a font-size of 10px.
Your .text-2 class should have a font-size of 20px.
Your .text-3 class should have a font-size of 30px.
Your .text-4 class should have a font-size of 40px.
Your .text-5 class should have a font-size of 50px.

Your code so far

@for $j from 1 through 6 { .text-#{$j} { font-size: 10px * $j; } }

Hello

Hello

Hello

Hello

Hello

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User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/front-end-libraries/sass/use-for-to-create-a-sass-loop 1