* [JAVA-1657] core-java-modules JUnit and Maven Surefire Plugin upgrade
* [JAVA-1657] Changed sub modules parents to core-java-modules and core-java-modules to parent-java
* [JAVA-1657] Upgraded JUnit Jupiter version
* [JAVA-1657] Get JUnit 4 dependency transitively
* BAEL-3918 - Adding BigDecimal numbers using the Stream API
* BAEL-3918 - Adding BigDecimal numbers using the Stream API
* BAEL-3918 - Adding BigDecimal numbers using the Stream API
* BAEL-3918 - Updating test methods names to be compliant with Baeldung standards
* Minor name change
Co-authored-by: ashleyfrieze <ashley@incredible.org.uk>