test_framework_GRASS_GIS_with_NC.sh: avoid hardcoded path; usage mesg cosmetics (fixes https://trac.osgeo.org/grass/ticket/3769)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@74158 15284696-431f-4ddb-bdfa-cd5b030d7da7

testsuite/examples/test_framework_GRASS_GIS_with_NC.conf

@@ -3,7 +3,7 @@
 # name of binary:
 GRASSBIN=grass77
 # source code directory as full path:
-GRASSSRC="$HOME/software/grass77"
+GRASSSRC="$(realpath ../../)"
 # temporary grassdata directory
 GRASSDATA="$HOME/grassdata/tests-grassdata"
 

testsuite/examples/test_framework_GRASS_GIS_with_NC.sh

@@ -35,7 +35,7 @@ echo "Usage:
   $0 [conf_file]
 
 Example:
-  $0 ${CONF}
+  $0 ./${CONF}
 "
 }