[project structure] community.main: revert "Test" dependencies, change test to forbid "Compile" scope instead of requiring "Runtime", clarify message
[project structure] community.main: revert "Test" dependencies, change test to forbid "Compile" scope instead of requiring "Runtime", clarify message

IDEA-CR-35798

allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community,allotria/intellij-community