Conversation so far:
What was Dark Roots of Earth by the band Testament?
On July 14, 2011, it was announced that the eleventh studio album by the band Testament would be called Dark Roots of Earth, which was released on July 27, 2012.
Are there any other interesting aspects about the article about the band Testament besides when the album Dark Roots of Earth was released?
The band Testament began recording their tenth studio album on June 20, 2011. Paul Bostaph was unable to take part in the recording due to a serious injury.
What was Paul Bostaph's injury relative to the band Testament?
What happened in 2010 for the band Testament?
In early 2010, the band Testament toured the United States with Megadeth and American band Exodus.
What happened in 2013 for the band Testament?
The band Testament released a live DVD/double album Dark Roots of Thrash on October 15, 2013.
Is there anything else good that happened that you read about the band Testament besides what happened in 2010 and 2013?
The album Brotherhood of the Snake was released on October 28, 2016, and scored the band Testament their second-highest chart position on the Billboard 200.
What else happened with the band Testament's music besides the release of the album Brotherhood of the Snake?
Shortly after the release of the album Brotherhood of the Snake, the band Testament embarked on an international tour with Amon Amarth.

Question: Where did they tour?
Self-contained rewrite: Where did the band Testament tour after the release of the album Brotherhood of the Snake?