minor symfony#31133 [VarDumper] fix tests with ICU 64.1 (nicolas-grekas)

This PR was merged into the 4.2 branch.

Discussion
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[VarDumper] fix tests with ICU 64.1

| Q             | A
| ------------- | ---
| Branch?       | 4.2
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

Commits
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474a756 [VarDumper] fix tests with ICU 64.1

Author: nicolas-grekas

src/Symfony/Component/VarDumper/Tests/Caster/IntlCasterTest.php

@@ -54,12 +54,12 @@ public function testCastNumberFormatter()
         $expectedAttribute11 = $var->getAttribute(\NumberFormatter::GROUPING_SIZE);
         $expectedAttribute12 = $var->getAttribute(\NumberFormatter::ROUNDING_MODE);
         $expectedAttribute13 = number_format($var->getAttribute(\NumberFormatter::ROUNDING_INCREMENT), 1);
-        $expectedAttribute14 = $var->getAttribute(\NumberFormatter::FORMAT_WIDTH);
+        $expectedAttribute14 = $this->getDump($var->getAttribute(\NumberFormatter::FORMAT_WIDTH));
         $expectedAttribute15 = $var->getAttribute(\NumberFormatter::PADDING_POSITION);
         $expectedAttribute16 = $var->getAttribute(\NumberFormatter::SECONDARY_GROUPING_SIZE);
         $expectedAttribute17 = $var->getAttribute(\NumberFormatter::SIGNIFICANT_DIGITS_USED);
-        $expectedAttribute18 = $var->getAttribute(\NumberFormatter::MIN_SIGNIFICANT_DIGITS);
-        $expectedAttribute19 = $var->getAttribute(\NumberFormatter::MAX_SIGNIFICANT_DIGITS);
+        $expectedAttribute18 = $this->getDump($var->getAttribute(\NumberFormatter::MIN_SIGNIFICANT_DIGITS));
+        $expectedAttribute19 = $this->getDump($var->getAttribute(\NumberFormatter::MAX_SIGNIFICANT_DIGITS));
         $expectedAttribute20 = $var->getAttribute(\NumberFormatter::LENIENT_PARSE);
 
         $expectedTextAttribute1 = $var->getTextAttribute(\NumberFormatter::POSITIVE_PREFIX);