Transaction tests

[whikloj]

Partially addresses Islandora/documentation#283

[codecov-io]

Current coverage is 61.02%

Merging #10 into master will increase coverage by 36.02%

@@             master        #10   diff @@
==========================================
  Files             4          4          
  Lines           236        195    -41   
  Methods          12         15     +3   
  Messages          0          0          
  Branches          0          0          
==========================================
+ Hits             59        119    +60   
+ Misses          177         76   -101   
  Partials          0          0          

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[ruebot]

@whikloj you good with me merging this? Or do you want to chip away and add to it?

[whikloj]

@ruebot maybe leave it for now.
I was reading a good article on unit testing and TDD, and so I am trying not to write tests just for the coverage number.

[whikloj]

@ruebot @DiegoPino
Let's commit this if you're happy.

I had a discussion with a developer (who may or may not be @zozlak) and they are going to continue on with Islandora/documentation#283

[zozlak]

Yes, that's me.

I spent the last week trying to convincing my bosses to use Islandora CLAW but finally succeeded.

Now I am going on holidays for one week and after that I should be able to do something useful.

Many thanks for your work!

[ruebot]

@zozlak that's great! Looking forward to working with you!