netbean out of memory java heap space

When run test file in netbean.

all dependency and resource are right, but it raise up

java.lang.OutOfMemoryError: Java heap space

                at LUX_API_ArticleTest.testComputeEolObsolesceneRisk(LUX_API_ArticleTest.java:505)

solution1: change netbean conf file , increase start heap size and maximum heap size.

C:\Program Files\netbeans\etc\netbean.conf

–J-Xmx64m  maximum heap size

-J-Xms64m start heap size

Solution2: modify maven mvn.bat configuration file in bin directory of maven home

set MAVEN_OPTS=-Xms256m -Xmx768m -XX:PermSize=128m -XX:MaxPermSize=256M