SSDM-802: Some refactoring of test classes. MicroscopyImageDropboxTest introduced.

...urce/test-data/MicroscopyImageDropboxTest/C01_256x256.png

...urce/test-data/MicroscopyImageDropboxTest/C01_512x512.png

...urce/test-data/MicroscopyImageDropboxTest/C01_Default.png

...ource/test-data/MicroscopyImageDropboxTest/C1_256x256.png

...ource/test-data/MicroscopyImageDropboxTest/C1_512x512.png

...ource/test-data/MicroscopyImageDropboxTest/C1_Default.png

...e/test-data/MicroscopyImageDropboxTest/Merged_256x256.png

...e/test-data/MicroscopyImageDropboxTest/Merged_512x512.png

...e/test-data/MicroscopyImageDropboxTest/Merged_Default.png

...arons_example/pontia/Experiment/Experiment_properties.oix

...eDropboxTest/aarons_example/pontia/Experiment/example.nd2

...ImageDropboxTest/aarons_example/pontia/data_structure.ois

...icroscopyImageDropboxTest-drop-box/BioFormatsProcessor.py

.../MicroscopyImageDropboxTest-drop-box/MicroscopyDropbox.py

...mageDropboxTest-drop-box/MicroscopySingleDatasetConfig.py

...op-boxes/MicroscopyImageDropboxTest-drop-box/Processor.py

...xes/MicroscopyImageDropboxTest-drop-box/plugin.properties

...s/screening/systemtests/AbstractImageDropboxTestCase.java

...bis/screening/systemtests/MicroscopyImageDropboxTest.java

...openbis/screening/systemtests/SimpleImageDropboxTest.java