Fix failing newman test, add unit test

Author: webholik

codegens/curl/lib/index.js

@@ -76,7 +76,7 @@ self = module.exports = {
         // If the header value is an empty string then add a semicolon after key
         // otherwise the header would be ignored by curl
         if (header.value) {
-          snippet += `: ${sanitize(header.value, false, quoteType, true)}${quoteType}`;
+          snippet += `: ${sanitize(header.value, false, quoteType)}${quoteType}`;
         }
         else {
           snippet += ';' + quoteType;

codegens/curl/test/unit/convert.test.js

@@ -499,6 +499,38 @@ describe('curl convert function', function () {
       });
     });
 
+    it('should not add appropriate escaping characters when quote type is "double"', function () {
+      var request = new sdk.Request({
+        'method': 'POST',
+        'header': [],
+        'body': {
+          'mode': 'graphql',
+          'graphql': {
+            'query': '{\n  findScenes(\n    filter: {per_page: 0}\n    scene_filter: {is_missing: "performers"}){\n    count\n    scenes {\n      id\n      title\n      path\n    }\n  }\n}', // eslint-disable-line
+            'variables': '{\n\t"variable_key": "variable_value"\n}'
+          }
+        },
+        'url': {
+          'raw': 'https://postman-echo.com/post',
+          'protocol': 'https',
+          'host': [
+            'postman-echo',
+            'com'
+          ],
+          'path': [
+            'post'
+          ]
+        }
+      });
+      convert(request, { quoteType: 'double', lineContinuationCharacter: '^' }, function (error, snippet) {
+        if (error) {
+          expect.fail(null, null, error);
+        }
+
+        expect(snippet).to.include('{\\"query\\":\\"{\\n  findScenes(\\n    filter: {per_page: 0}\\n    scene_filter: {is_missing: \\\\\\"performers\\\\\\"})'); // eslint-disable-line
+      });
+    });
+
     describe('getUrlStringfromUrlObject function', function () {
       var rawUrl, urlObject, outputUrlString;