Update travis deploy script

Author: mdmintz

.travis.yml

@@ -4,7 +4,7 @@ python:
   - "2.7"
   - "3.6"
 addons:
-  firefox: latest
+  firefox: stable
   chrome: stable
 before_install:
   - "sudo mysql -e 'CREATE DATABASE IF NOT EXISTS test_db;'"
@@ -34,7 +34,7 @@ script:
   - "pytest examples/my_first_test.py --browser=chrome -s --headless --with-db_reporting --demo_mode --demo_sleep=0.2"
   - "pytest examples/tour_examples/google_tour.py -s --headless --with-db_reporting"
   - "sudo mysql --password=test -e 'select test_address,browser,state,start_time,runtime from test_db.test_run_data'"
-after_script:
-  - "sudo mysql -e 'DROP DATABASE test_db;'"
+#after_script:
+#  - "sudo mysql -e 'DROP DATABASE test_db;'"
 notifications:
   email: false