Fix bug 4673

Author: gajennings

OpenProblemLibrary/Mizzou/College_Algebra/Rational_and_Radical_Exponents_Simplifying_Radicals/AbsValue1.pg

@@ -70,6 +70,7 @@ LimitedPowers::OnlyPositiveIntegers();
 
 
 $ans = Compute(" $a  |$var|  ");
+$ans->{test_at}=[[-3],[-2],[-1],[0],[1],[2],[3]];
 
 ##############################################################
 Context()->texStrings;
@@ -90,7 +91,6 @@ $showPartialCorrectAnswers = 1;
 
 ANS($ans->cmp(
   #limits=>[-1,1],
-  test_points=>[-3,-2,-1,0,1,2,3], 
   checker=>sub{ 
     my ($correct,$student,$ans) = @_;
     if ($correct == $student) {