Tests

Merge branch 'dev' of github.com:e0404/matRad into dev #914

Job	Run time
test-octave-6	20m 14s
test-matlab-latest	8m 9s
test-matlab-stable	7m 53s
Collect Coverage Report / coverage_report	15s
Collect Test Results / test_report	14s
	36m 45s

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