Newer versions of ember-source use peerDependencies. But because they also depend on a babel plugin with an unsatisfied peerDep on @babel/core, scenario-tester and fixturify-project have no way of knowing that babel/core is needed at the top-level.
This works around the problem by having babel/core in the test apps.
Newer versions of ember-source use peerDependencies. But because they also depend on a babel plugin with an unsatisfied peerDep on
@babel/core, scenario-tester and fixturify-project have no way of knowing that babel/core is needed at the top-level.This works around the problem by having babel/core in the test apps.