Support portable sccc test to save daytrader output

[LongyuZhang]

Support portable sccc test to save daytrader output

Issue: https://github.ibm.com/runtimes/automation/issues/294#issuecomment-115581570

[LongyuZhang]

Test link: hyc_grinder 51414 (failure is not related to this PR, the issue is link)
The OpenLiberty Daytrader output is both on console output and the uploaded report file per requirement.

• Console:

11:38:10  [ERROR   ] CWWJP9992E: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.7.15.v20240516-53511fdbd8): org.eclipse.persistence.exceptions.DatabaseException
11:38:10  Internal Exception: java.sql.SQLException: Database '/opt/ol/wlp/usr/shared/resources//data/tradedb' not found. DSRA0010E: SQL State = XJ004, Error Code = 40,000
11:38:10  Error Code: 40000
11:38:10  [err] java.lang.NullPointerException
11:38:10  [err] 	at com.ibm.websphere.samples.daytrader.web.websocket.MarketSummaryWebSocket.sendMarketSummary(MarketSummaryWebSocket.java:102

• Report file upload is available on Artifacts listed in in the build page, unzip the tar file will get it.