Bump tests pointer

git shortlog 2c04ae6..bb5e028
Bleicke and Matthew Boedicker (1):
  On errors exit 1 instead of exit 0.

David Sabeti and Jennifer Hickey (1):
  Increase memory allocation for Play apps

Change-Id: If4085f5735b37c1909a677f9faa2528148f360d4
[fixes #44347205] Install libyaml to prevent verbose warnings and possibly breakage in psych / yaml gems
[#44347205] Fixing dependencies in spec for ruby_next