mvn test -Dgroups="info.francoisandre.testcategory.category.Unit"
mvn test -Dgroups="info.francoisandre.testcategory.category.Integration"
mvn test -DexcludedGroups="info.francoisandre.testcategory.category.Integration"
mvn test -DexcludedGroups="info.francoisandre.testcategory.category.Integration,info.francoisandre.testcategory.category.Unit"