Invalid detection of false value in JSON about contexts HOT 7 CLOSED

# FeatureContext.php
...
use Sanpi\Behatch\Context\JsonContext;
use Behat\Behat\Hook\Scope\BeforeScenarioScope;

...


    /**
     *  @BeforeScenario
     */
    public function getBehatchJsonContext(BeforeScenarioScope $scope)
    {
        $environment = $scope->getEnvironment();

        $this->behatchJsonContext = $environment->getContext('Sanpi\Behatch\Context\JsonContext');
    }

    /**
     * @Then the JSON node :node should be boolean :boolAsString
     */
    public function theJsonNodeShouldBeBooleanFalse($node, $boolAsString)
    {
        if (!$this->behatchJsonContext) {
            PHPUnit_Framework_Assert::markTestSkipped('Behatch JsonContext cannot be used.');
        }

        if ($boolAsString == 'false') {
            $bool = false;
        } elseif ($boolAsString == 'true') {
            $bool = true;
        } else {
            PHPUnit_Framework_Assert::markTestSkipped(
                'Invalid value '.var_export($boolAsString,true).' supplied for boolean comparison.'
            );
        }

        // call the behatch JsonContext with a valid boolean.
        return $this->behatchJsonContext->theJsonNodeShouldBeEqualTo($node, $bool);
    }

And the JSON node "is_completed" should be equal to "false"

And the JSON node "is_completed" should be boolean "false"