diff --git a/types/node/node-tests.ts b/types/node/node-tests.ts
index 1eb6539b09..c3fbb75953 100644
--- a/types/node/node-tests.ts
+++ b/types/node/node-tests.ts
@@ -1497,6 +1497,8 @@ namespace https_tests {
 
     https.request('http://www.example.com/xyz');
 
+    https.globalAgent.options.ca = [];
+
     {
         const server = new https.Server();
 
diff --git a/types/node/v4/node-tests.ts b/types/node/v4/node-tests.ts
index e60b578ccf..2b3be03f8d 100644
--- a/types/node/v4/node-tests.ts
+++ b/types/node/v4/node-tests.ts
@@ -561,6 +561,8 @@ namespace https_tests {
     });
 
     https.request('http://www.example.com/xyz');
+
+    https.globalAgent.options.ca = [];
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v6/node-tests.ts b/types/node/v6/node-tests.ts
index cd363c708c..6cfb45692b 100644
--- a/types/node/v6/node-tests.ts
+++ b/types/node/v6/node-tests.ts
@@ -1015,6 +1015,8 @@ namespace https_tests {
     });
 
     https.request('http://www.example.com/xyz');
+
+    https.globalAgent.options.ca = [];
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v7/node-tests.ts b/types/node/v7/node-tests.ts
index 0240dcc120..eb25e01f10 100644
--- a/types/node/v7/node-tests.ts
+++ b/types/node/v7/node-tests.ts
@@ -1093,6 +1093,8 @@ namespace https_tests {
     });
 
     https.request('http://www.example.com/xyz');
+
+    https.globalAgent.options.ca = [];
 }
 
 ////////////////////////////////////////////////////
diff --git a/types/node/v8/node-tests.ts b/types/node/v8/node-tests.ts
index 74d4c5c222..5cd7ad4586 100644
--- a/types/node/v8/node-tests.ts
+++ b/types/node/v8/node-tests.ts
@@ -1471,6 +1471,8 @@ namespace https_tests {
 
     https.request('http://www.example.com/xyz');
 
+    https.globalAgent.options.ca = [];
+
     {
         const server = new https.Server();