.env: adapt test defaults for environment variables

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

advotracker/.env

@@ -1,7 +1,16 @@
+###
+# .env
+# will overwrite standard environment viariables
+###
 # set the language variable used in test-runs
-#test lang=it
-TEST_LANG=de
+#test LANG=es-ES
+#test LANG=it-IT
+#test LANG=C
+# set the language variable (overwriting standard Enviroment)
+#TEST_LANG=de_DE
+#TEST_LANG=C
 #RUST_LOG=advotracker=trace
 RUST_LOG=trace
+#RUST_LOG=none
 USERNAME=hiedemann
 DB_DRIVER=sqlite