Replaced wrong conda command against 'source'.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

HISTORY.rst

@@ -7,6 +7,7 @@ History
 
 * Fixed typo in the docs.
 * Updated test_gms_preprocessing_install CI job.
+* Replaced wrong conda command against 'source'.
 
 
 0.19.4 (2020-12-10)
@@ -24,7 +25,7 @@ History
 0.19.3 (2020-12-03)
 -------------------
 
-* Fixed issue #107 by updating py_tools_ds to v0.16.3
+* Fixed issue #107 by updating py_tools_ds to v0.16.3.
 
 
 0.19.2 (2020-11-28)

tests/CI_docker/context/setup_sicor_tables_and_cachefiles.sh

 #!/usr/bin/env bash
 
-conda /root/miniconda3/bin/activate ci_env
+source /root/miniconda3/bin/activate ci_env
 
 # copy sicor cache files to sicor root directory (speeds up SICOR CI tests because table subsets dont have to be created each time)
 # -> sicor root directory is the default directory of these cache files if sicor_cache_dir is not set in EnPT options