make sure generate-models.sh runs from correct dir

roomdb/sqlite/generate_models.sh

@@ -1,11 +1,13 @@
 #!/bin/sh
-
 set -e
 
 # ensure tools are installed
 go get github.com/volatiletech/sqlboiler/v4
 go get github.com/volatiletech/sqlboiler-sqlite3
 
+# make sure we are in the correct directory
+cd "$(dirname $0)"
+
 # run the migrations (creates testrun/TestSchema/roomdb)
 go test -run Schema