Test for swapped out image loss during Impress export

Related to the bug fdo#52226.
The problem was that the images were somehow swapped out but
were not swapped in during export.
Test the main Impress formats: ODP, PPT, PPTX

Change-Id: I97ba98d0eb05ef2c1de3fbeaa527bc9f6f54d742
Test for swapped out image loss during Writer export

Related to the bug fdo#52226. The fix in *.rtf and *.docx
export was this commit:
9dd5caac62083f7162d83319284df68ee83e3777
The problem was that the images were somehow swapped out but
were not swapped in during export.
Test the main Writer formats: ODT, RTF, DOC, DOCX, HTML.

Change-Id: I8ea142fa997c098b74fec264cda6b5fb5a547852
Test for swapped out image loss during Calc export

Related to the bug fdo#52226.
The problem was that the images were somehow swapped out but
were not swapped in during export.
Test the main Calc formats: ODS, XLS, XLSX, HTML.

Change-Id: I4835ff2960fbd11cc9750ed3da20df26cd6cbaba