[libeufin] branch master updated: readme: running tests.

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ms pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new a00a8b5e readme: running tests.
a00a8b5e is described below

commit a00a8b5ea3e13e80be6b667105b5c2a660408597
Author: MS <ms@taler.net>
AuthorDate: Tue May 2 14:46:27 2023 +0200

    readme: running tests.
---
 README | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/README b/README
index e1970adb..83b705a3 100644
--- a/README
+++ b/README
@@ -10,14 +10,28 @@ client (libeufin-cli) should be found under $PFX/bin.  
Additionally,
 the libeufin-sandbox command used for testing should be found under
 $PFX/bin as well.
 
-Testing LibEuFin
-================
+Running tests
+=============
 
-If the installation succeeded, all the tests can be run
-with the following command, from this (repository top level)
-directory.
+Tests need a PostgreSQL database called "libeufincheck" that can
+be accessed without credentials over TCP/IPv4.
+Edit /etc/postgresql/$PG_VERSION/main/pg_hba.conf so that it will
+contain one line in the following format:
 
-$ make check
+  host libeufincheck all 127.0.0.1/32 trust
+
+In case IPv6 is used, then replace "127.0.0.1/32" with "::1/128".
+Note: these instructions were tested with $PG_VERSION set to "14".
+
+Restart the database:
+  
+  $ systemctl restart postgresql
+
+If the previous steps succeeded _and_ libeufin is correctly installed,
+then tests can be run in the following way, from this (repository
+top level directory):
+
+  $ make check
 
 Launching LibEuFin
 ==================

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