tree a06763e30eb86a3d488ade3304f139b846ea93b2
parent b4e1063aa9cc99411532cd7333d560d2cf18a0a7
author Dave Borowitz <dborowitz@google.com> 1556821374 -0700
committer Dave Borowitz <dborowitz@google.com> 1557165382 -0700

Use assertThrows instead of ExpectedException

This change is based on one generated by an automated refactoring tool.
See [1] for context.

The refactoring tool used Hamcrest matches to assert over the cause of
an exception; replace those manually with the Truth equivalent
.hasCauseThat().

[1] https://gerrit-review.googlesource.com/c/gerrit/+/223155

Change-Id: Icfba83fb225e7f14e1daefbe82483fbf8a76dd2c