Avoid bug with number when testing string

Fixes #263

Author: alexislefebvre

src/Context/JsonContext.php

@@ -171,6 +171,8 @@ public function theJsonNodeShouldBeEqualToTheString($node, $text)
 
         $actual = $this->inspector->evaluate($json, $node);
 
+        $text = (string) $text;
+
         if ($actual !== $text) {
             throw new \Exception(
                 sprintf('The node value is `%s`', json_encode($actual))

tests/features/json.feature

@@ -186,6 +186,7 @@ Feature: Testing JSONContext
         And the JSON node "four" should be equal to the string "foo"
         And the JSON node "five" should not be null
         And the JSON node "five" should be equal to the number 5
+        And the JSON node "six" should be equal to the string "44000"
 
     Scenario: Json validation against swagger dump file
         Given I am on "/json/swaggerpartial.json"

tests/fixtures/www/json/notnullvalues.json

@@ -3,5 +3,6 @@
   "two": true,
   "three": "",
   "four": "foo",
-  "five": 5
+  "five": 5,
+  "six": "44000"
 }