I20240210-1800
Introduce new classpath variable in the test project to not rely on the pde.core one. Result of discussion in https://github.com/eclipse-jdt/eclipse.jdt.core/pull/1918
Introduce new classpath variable in the test project to not rely on the pde.core one. Result of discussion in https://github.com/eclipse-jdt/eclipse.jdt.core/pull/1918