Adds debug info about $PGUSER var

test/run_tests.sh

@@ -4,15 +4,14 @@
 export TZ='Europe/Rome'
 export PGAPPNAME='cartodb_sqlapi_tester'
 
-export
-
 # In case PGUSER env variable does not exist we attempt to use `postgres`
 if test x"${PGUSER}" = x; then
-  PGUSER=postgres
+    echo "PGUSER not found"
+    PGUSER=postgres
+else
+    echo "PGUSER found = ${PGUSER}"
 fi
 
-export
-
 OPT_CREATE_PGSQL=yes # create/prepare the postgresql test database
 OPT_CREATE_REDIS=yes # create/prepare the redis test databases
 OPT_DROP_PGSQL=yes   # drop the postgreql test environment