PASSED test_tool_linearmosaic.py::test_tool_linearmosaic::test_flat_noise
PASSED test_tool_linearmosaic.py::test_tool_linearmosaic::test_flat_noise_existing_image
PASSED test_tool_linearmosaic.py::test_tool_linearmosaic::test_flat_noise_flat_sky_input
PASSED test_tool_linearmosaic.py::test_tool_linearmosaic::test_flat_sky
PASSED test_tool_linearmosaic.py::test_tool_linearmosaic::test_flat_sky_flat_sky_input
