Fix faraday spec even though it sends HTTP request

I'll figure it out eventually

Author: solnic

sentry-ruby/spec/sentry/faraday_spec.rb

@@ -271,6 +271,12 @@
 
     let(:url) { "http://example.com" }
 
+    around do |example|
+      WebMock.disable!
+      example.run
+      WebMock.enable!
+    end
+
     it "skips instrumentation" do
       transaction = Sentry.start_transaction
       Sentry.get_current_scope.set_span(transaction)