From 833f96c0d5a91e7394945ef16635b0c3da6f4fd9 Mon Sep 17 00:00:00 2001
From: Phil Sturgeon <phil.sturgeon@wework.com>
Date: Wed, 6 Dec 2017 16:07:06 -0500
Subject: [PATCH 1/2] For some reason the tests still pass

---
 testing/e2e/internal-postman2/test-case-0/output.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/testing/e2e/internal-postman2/test-case-0/output.json b/testing/e2e/internal-postman2/test-case-0/output.json
index 91c1177..8759556 100644
--- a/testing/e2e/internal-postman2/test-case-0/output.json
+++ b/testing/e2e/internal-postman2/test-case-0/output.json
@@ -170,7 +170,7 @@
             "header": [
               {
                 "key": "api_key",
-                "value": null
+                "value": ""
               },
               {
                 "key": "Content-Type",
@@ -362,4 +362,4 @@
       "name": "Content-Type"
     }
   ]
-}
\ No newline at end of file
+}

From 13576bbac0cb784dce0fbc843bf01370dab5b6b7 Mon Sep 17 00:00:00 2001
From: Phil Sturgeon <phil.sturgeon@wework.com>
Date: Wed, 6 Dec 2017 16:11:39 -0500
Subject: [PATCH 2/2] Never make a header with value: null

Empty string is valid, null is invalid.
---
 src/serializers/postman/v2.0/Serializer.js                | 2 +-
 src/serializers/postman/v2.0/__tests__/Serializer.spec.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/serializers/postman/v2.0/Serializer.js b/src/serializers/postman/v2.0/Serializer.js
index 1920695..812e59b 100644
--- a/src/serializers/postman/v2.0/Serializer.js
+++ b/src/serializers/postman/v2.0/Serializer.js
@@ -620,7 +620,7 @@ methods.createHeaderFromParameter = (param) => {
     return { key, value: schema.enum[0] }
   }
 
-  return { key, value: null }
+  return { key, value: '' }
 }
 
 /**
diff --git a/src/serializers/postman/v2.0/__tests__/Serializer.spec.js b/src/serializers/postman/v2.0/__tests__/Serializer.spec.js
index 94ffeb4..711d41e 100644
--- a/src/serializers/postman/v2.0/__tests__/Serializer.spec.js
+++ b/src/serializers/postman/v2.0/__tests__/Serializer.spec.js
@@ -844,7 +844,7 @@ describe('serializers/swagger/v2.0/Serializer.js', () => {
       ]
       const expected = [
         null,
-        { key: 123, value: null },
+        { key: 123, value: '' },
         { key: 234, value: 'abc' },
         { key: 345, value: 'def' }
       ]