Retry all specs with :needs_network.

Library/Homebrew/test/cmd/search_spec.rb

@@ -25,7 +25,7 @@
       .and be_a_success
   end
 
-  it "falls back to a GitHub tap search when no formula is found", :needs_network, retry: 3 do
+  it "falls back to a GitHub tap search when no formula is found", :needs_network do
     setup_remote_tap "homebrew/cask"
 
     expect { brew "search", "homebrew/cask/firefox" }

Library/Homebrew/test/cmd/services_spec.rb

@@ -1,4 +1,4 @@
-describe "brew services", :integration_test, :needs_macos, :needs_network, retry: 3 do
+describe "brew services", :integration_test, :needs_macos, :needs_network do
   it "allows controlling services" do
     setup_remote_tap "homebrew/services"
 

Library/Homebrew/test/dev-cmd/pull_spec.rb

@@ -1,5 +1,5 @@
 describe "brew pull", :integration_test do
-  it "fetches a patch from a GitHub commit or pull request and applies it", :needs_network, retry: 3 do
+  it "fetches a patch from a GitHub commit or pull request and applies it", :needs_network do
     CoreTap.instance.path.cd do
       system "git", "init"
       system "git", "checkout", "-b", "new-branch"

Library/Homebrew/test/spec_helper.rb

@@ -84,6 +84,10 @@
     skip "Requires network connection." unless ENV["HOMEBREW_TEST_ONLINE"]
   end
 
+  config.around(:each, :needs_network) do |example|
+    example.run_with_retry retry: 3, retry_wait: 1
+  end
+
   config.before(:each, :needs_svn) do
     skip "subversion not installed." unless which "svn"
   end