set default_headers to nil after use it to avoid order dependent tests

1 files changed, 32 insertions, 25 deletions

diff --git a/actionpack/test/dispatch/response_test.rb b/actionpack/test/dispatch/response_test.rb
index 4d699bd739..185a9e9b18 100644
--- a/actionpack/test/dispatch/response_test.rb
+++ b/actionpack/test/dispatch/response_test.rb
@@ -178,33 +178,40 @@ class ResponseTest < ActiveSupport::TestCase
   end
 
   test "read x_frame_options, x_content_type_options and x_xss_protection" do
-    ActionDispatch::Response.default_headers = {
-      'X-Frame-Options' => 'DENY',
-      'X-Content-Type-Options' => 'nosniff',
-      'X-XSS-Protection' => '1;'
-    }
-    resp = ActionDispatch::Response.new.tap { |response|
-      response.body = 'Hello'
-    }
-    resp.to_a
-
-    assert_equal('DENY', resp.headers['X-Frame-Options'])
-    assert_equal('nosniff', resp.headers['X-Content-Type-Options'])
-    assert_equal('1;', resp.headers['X-XSS-Protection'])
-  end  
+    begin
+      ActionDispatch::Response.default_headers = {
+        'X-Frame-Options' => 'DENY',
+        'X-Content-Type-Options' => 'nosniff',
+        'X-XSS-Protection' => '1;'
+      }
+      resp = ActionDispatch::Response.new.tap { |response|
+        response.body = 'Hello'
+      }
+      resp.to_a
+
+      assert_equal('DENY', resp.headers['X-Frame-Options'])
+      assert_equal('nosniff', resp.headers['X-Content-Type-Options'])
+      assert_equal('1;', resp.headers['X-XSS-Protection'])
+    ensure
+      ActionDispatch::Response.default_headers = nil
+    end
+  end
 
   test "read custom default_header" do
-    ActionDispatch::Response.default_headers = {
-      'X-XX-XXXX' => 'Here is my phone number'
-    }
-    resp = ActionDispatch::Response.new.tap { |response|
-      response.body = 'Hello'
-    }
-    resp.to_a
-    
-    assert_equal('Here is my phone number', resp.headers['X-XX-XXXX'])
-  end  
-
+    begin
+      ActionDispatch::Response.default_headers = {
+        'X-XX-XXXX' => 'Here is my phone number'
+      }
+      resp = ActionDispatch::Response.new.tap { |response|
+        response.body = 'Hello'
+      }
+      resp.to_a
+
+      assert_equal('Here is my phone number', resp.headers['X-XX-XXXX'])
+    ensure
+      ActionDispatch::Response.default_headers = nil
+    end
+  end
 end
 
 class ResponseIntegrationTest < ActionDispatch::IntegrationTest