app:
    port: 6789
    # namespace:
    # The base path for this application.  Leave empty or omit for none.
    namespace: /test
    # trustProxy:
    # Whether to set the Express 'trust proxy' setting, which tells Express to
    # use the X-Forwarded-* headers to get client information like IP address and
    # protocol.
    trustProxy: true
    # secret:
    # The secret key to use for Express sessions.
    secret: please use something better than this
    # mongoUrl:
    # The connection URL to use for MongoDB (to store sessions).
    mongoUrl: mongodb://localhost/test-connect-sessions
logging:
    # level:
    # The minimum log level that will be shown in console output.  Levels are:
    # silly:0, input:1, verbose:2, prompt:3, debug:4, http:4.5, info:5, data:6,
    # help:7, warn:8, error:9
    level: http
auth:
    # digestFile:
    # The file containing usernames and hashed passwords in htdigest format
    # (lines like 'user:realm:hash' where hash = md5(username:realm:password))
    digestFile: test/config/test-users.digest

app:
    port: 9099
    # namespace:
    # The base path for this application.  Leave empty or omit for none.
    namespace: /test
    # trustProxy:
    # Whether to set the Express 'trust proxy' setting, which tells Express to
    # use the X-Forwarded-* headers to get client information like IP address and
    # protocol.
    trustProxy: true
    # secret:
    # The secret key to use for Express sessions.
    secret: please use something better than this
    # mongoUrl:
    # The connection URL to use for MongoDB (to store sessions).
    mongoUrl: mongodb://localhost/test-connect-sessions
logging:
    # level:
    # The minimum log level that will be shown in console output.  Levels are:
    # silly:0, input:1, verbose:2, prompt:3, debug:4, http:4.5, info:5, data:6,
    # help:7, warn:8, error:9
    level: http
auth:
    # digestFile:
    # The file containing usernames and hashed passwords in htdigest format
    # (lines like 'user:realm:hash' where hash = md5(username:realm:password))
    digestFile: test/config/test-users.digest

Change test port to 9099
Change test port to 9099
