Update spec_helper.rb

Author: ntkme

spec/spec_helper.rb

@@ -44,7 +44,7 @@
   supports_block_expectations
 end
 
-precision = Sass::Value.const_get(:FuzzyMath)::PRECISION + 1
+epsilon = Sass::Value.const_get(:FuzzyMath)::EPSILON
 
 RSpec::Matchers.matcher :fuzzy_eq do |expected|
   match do |actual|
@@ -57,7 +57,7 @@
       expect(actual.alpha).to fuzzy_eq(expected.alpha)
       expect(actual).to eq(expected)
     when Numeric
-      expect(actual).to be_within(10**-precision).of(expected)
+      expect(actual).to be_within(epsilon).of(expected)
     else
       expect(actual).to eq(expected)
     end
@@ -68,7 +68,7 @@
   match do |actual|
     expect(actual).to match_array(expected.map do |obj|
       if obj.is_a?(Numeric)
-        a_value_within(10**-precision).of(obj)
+        a_value_within(epsilon).of(obj)
       else
         obj
       end