Projection test (rebased onto develop)



This is the same as gh-1582 but rebased onto develop.

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First round of tests for the ```ProjectionService```
Fix issue described in https://trac.openmicroscopy.org.uk/ome/ticket/11499

To test
```
./build.py -f components/tools/OmeroJava/build.xml test -DTEST=integration/ProjectionServiceTest
```