In Gradle testCompileOnly configuration does not extend compileOnly.
Since :generators project does not have main source set,
compileOnly dependencies have never worked.
Instead "kotlin-reflect" was resolved transitevely trough
:compiler:frontend.script module (a runtime dependency becomes
a compile transitive dependency).
In ccd6263787 I replaced `runtime` dependency
on "kotlin-reflect" with `runtimeOnly` breaking `:generators:compileTestKotlin`.
Alexey Tsvetkov
97700316f5