fix(curriculum): test case improvement for CSS Lab "Build a moon orbit" (freeCodeCamp#62521)

Co-authored-by: Sem Bauke <sem@freecodecamp.org>
Co-authored-by: Huyen Nguyen <25715018+huyenltnguyen@users.noreply.github.com>
Co-authored-by: Ilenia <26656284+ilenia-magoni@users.noreply.github.com>

Author: 4 people

curriculum/challenges/english/blocks/lab-moon-orbit/66a37f37ef5823a313de8c26.md

@@ -185,7 +185,9 @@ assert.strictEqual(new __helpers.CSSHelp(document).getStyle('.moon')?.left, '50%
 The `.moon` element should be adjusted horizontally by translating it to `-50%` across the x-axis.
 
 ```js
-assert.strictEqual(new __helpers.CSSHelp(document).getStyle('.moon')?.transform, 'translateX(-50%)');
+const transformValue = new __helpers.CSSHelp(document).getStyle('.moon')?.transform;
+const validTransforms = ['translateX(-50%)', 'translate(-50%)'];
+assert.oneOf(transformValue, validTransforms);
 ```
 
 The `.earth` selector should have a background color.