Use an in-memory table to speed up this test

Author: sodabrew

spec/mysql2/result_spec.rb

@@ -136,7 +136,7 @@
     it "should raise an exception if streaming ended due to a timeout" do
       # Create an extra client instance, since we're going to time it out
       client = Mysql2::Client.new DatabaseCredentials['root']
-      client.query "CREATE TEMPORARY TABLE streamingTest (val BINARY(255))"
+      client.query "CREATE TEMPORARY TABLE streamingTest (val BINARY(255)) ENGINE=MEMORY"
 
       # Insert enough records to force the result set into multiple reads
       # (the BINARY type is used simply because it forces full width results)