[BUGFIX] Provide the usual set of delimiters in parseValue tests (#618)

In the test cases added so far, this doesn't seem to affect results,
but would be needed for tests that may be added in future
to ensure consistencey with how the method is actually used at runtime.

Co-authored-by: Jake Hotson <jake.github@qzdesign.co.uk>

Author: JakeQZ

tests/Value/ValueTest.php

@@ -14,6 +14,15 @@
  */
 final class ValueTest extends TestCase
 {
+    /**
+     * the default set of delimiters for parsing most values
+     *
+     * @see \Rule\Rule::listDelimiterForRule
+     *
+     * @var array<int, string>
+     */
+    private const DEFAULT_DELIMITERS = [',', ' ', '/'];
+
     /**
      * @return array<string, array{0: string}>
      */
@@ -39,7 +48,10 @@ function (string $unit): array {
      */
     public function parsesArithmeticInFunctions(string $operator): void
     {
-        $subject = Value::parseValue(new ParserState('max(300px, 50vh ' . $operator . ' 10px);', Settings::create()));
+        $subject = Value::parseValue(
+            new ParserState('max(300px, 50vh ' . $operator . ' 10px);', Settings::create()),
+            self::DEFAULT_DELIMITERS
+        );
 
         self::assertSame('max(300px,50vh ' . $operator . ' 10px)', (string) $subject);
     }
@@ -74,7 +86,10 @@ public function parsesArithmeticWithMultipleOperatorsInFunctions(
     ): void {
         static $expression = '300px + 10% + 10vw';
 
-        $subject = Value::parseValue(new ParserState(\sprintf($parserTemplate, $expression), Settings::create()));
+        $subject = Value::parseValue(
+            new ParserState(\sprintf($parserTemplate, $expression), Settings::create()),
+            self::DEFAULT_DELIMITERS
+        );
 
         self::assertSame(\sprintf($expectedResultTemplate, $expression), (string) $subject);
     }
@@ -99,10 +114,10 @@ public static function provideMalformedLengthOperands(): array
      */
     public function parsesArithmeticWithMalformedOperandsInFunctions(string $leftOperand, string $rightOperand): void
     {
-        $subject = Value::parseValue(new ParserState(
-            'max(300px, ' . $leftOperand . ' + ' . $rightOperand . ');',
-            Settings::create()
-        ));
+        $subject = Value::parseValue(
+            new ParserState('max(300px, ' . $leftOperand . ' + ' . $rightOperand . ');', Settings::create()),
+            self::DEFAULT_DELIMITERS
+        );
 
         self::assertSame('max(300px,' . $leftOperand . ' + ' . $rightOperand . ')', (string) $subject);
     }