stop swallowing exceptions in assert_queries. Methods that raise an

exception are unlikely to pass this assertion, but since the assertions
raise an exception, the original exception is lost.

activerecord/lib/active_record/test_case.rb

@@ -35,8 +35,7 @@ def assert_sql(*patterns_to_match)
     def assert_queries(num = 1, options = {})
       ignore_none = options.fetch(:ignore_none) { num == :any }
       SQLCounter.clear_log
-      yield
-    ensure
+      x = yield
       the_log = ignore_none ? SQLCounter.log_all : SQLCounter.log
       if num == :any
         assert_operator the_log.size, :>=, 1, "1 or more queries expected, but none were executed."
@@ -44,6 +43,7 @@ def assert_queries(num = 1, options = {})
         mesg = "#{the_log.size} instead of #{num} queries were executed.#{the_log.size == 0 ? '' : "\nQueries:\n#{the_log.join("\n")}"}"
         assert_equal num, the_log.size, mesg
       end
+      x
     end
 
     def assert_no_queries(&block)