[Test] Remove dependencies on IDEA classes from test modules

Some of IDEA services (like in `com.intellij/execution`) was copied,
  because they are used in tests but jars with them compiled with
  jdk 11 and we run our tests on jdk 8, so their bytecode can not
  be read

compiler/fir/raw-fir/light-tree2fir/tests/org/jetbrains/kotlin/fir/lightTree/AbstractLightTree2FirConverterTestCase.kt

@@ -17,7 +17,7 @@ import java.nio.file.Paths
 
 abstract class AbstractLightTree2FirConverterTestCase : AbstractRawFirBuilderTestCase() {
 
-    override fun doTest(filePath: String) {
+    fun doTest(filePath: String) {
         val firFile = LightTree2Fir(
             session = FirSessionFactory.createEmptySession(),
             scopeProvider = StubFirScopeProvider,