Revert "modified default retry count to 1 for running ruby tests"

This reverts commit 863503c.

spec/rspec_config.rb

@@ -53,7 +53,7 @@
     puts 'Running tests using RSpec retry'
     config.verbose_retry = true # show retry status in spec process
     config.display_try_failure_messages = true # show exception that triggered the try
-    config.default_retry_count = 1
+    config.default_retry_count = 3
     config.default_sleep_interval = 2
   end
 end