use in-memory database, faster and no need to clear before every run

run.sh

@@ -1,4 +1,4 @@
 tmux \
-	new-session "sh riot/stop.sh; sh synapse/stop.sh; sh synapse/clear.sh; sh synapse/start.sh; sh riot/start.sh; read"\; \
+	new-session "sh riot/stop.sh; sh synapse/stop.sh; sh synapse/start.sh; sh riot/start.sh; read"\; \
 	split-window "sleep 5; node start.js; sh riot/stop.sh; sh synapse/stop.sh; read"\; \
 	select-layout even-vertical

synapse/clear.sh

@@ -1,6 +0,0 @@
-BASE_DIR=$(realpath $(dirname $0))
-pushd $BASE_DIR
-pushd installations/consent
-rm homeserver.db
-popd
-popd

synapse/config-templates/consent/homeserver.yaml

@@ -193,7 +193,7 @@ database:
   # Arguments to pass to the engine
   args:
     # Path to the database
-    database: "{{SYNAPSE_ROOT}}homeserver.db"
+    database: ":memory:"
 
 # Number of events to cache in memory.
 event_cache_size: "10K"