STEP 0:
    dependencies: lib1, lib2
    modifications:
        U : test.0.kt -> test.kt
    added file: m.kt, test.kt
STEP 1..3:
    dependencies: lib1, lib2
    updated imports: test.kt
STEP 4:
    dependencies: lib1, lib2
    modifications:
        U : test.4.kt -> test.kt
    modified ir: test.kt
STEP 5..7:
    dependencies: lib1, lib2
    updated imports: test.kt
