Added Emma plugin test case

Change-Id: I2ef9175a72caa34a334713165ca8a4b6e686545b
Added page object for Emma plugin test.

Change-Id: Ie33c6eb36f60b43c1a8fc623e6fe000675608dbd
Unused imports
Validate text artifact content
Cover compress-artifacts plugin
Declare encoding
Reflect field rename in eec43983a3bdfce6de45ca0559d8a9f8a1250b71
@Since CompressArtifactsPluginTest
Merge pull request #17 from orjanpercy/master

Added Emma plugin test case
Reflect workspace fields rename in eec43983a3bdfce6de45ca0559d8a9f8a1250b71
Better diagnostics for faild test email sending
[maven-release-plugin] prepare release acceptance-test-harness-1.11
[maven-release-plugin] prepare for next development iteration