The Urban TEP processor development VM comes with a few Earth observation products from different missions and sensors:
The test data is located in directory /urbantep/eodata/<type> in the virtual machine:
urbanuser@urbandev:~ $ tree /urbantep/eodata
/urbantep/eodata
├── LC8
│ └── v1
│ └── 2014
│ └── 07
│ └── 03
│ └── LC81940272014184LGN00.tar.gz
├── MER_FSG_1P
│ └── v2013
│ └── 2009
│ └── 06
│ └── 01
│ └── MER_FSG_1PPEPA20090601_112030_000004532079_00295_37924_7073.N1
└── S2_L1C
└── v1
└── 2015
└── 12
└── 17
└── S2A_OPER_PRD_MSIL1C_PDMC_20151217T195044_R108_V20151217T103953_20151217T103953-Lake-Constance-UTM32N.nc
Additional test data can be added by downloading it from the respective provider’s data gateways, e.g. Copernicus Sentinel Data Hub for Sentinel-2 or USGS EarthExplorer for Landsat-8.