Allow access to home kotlin project dir in convert tests

j2k/tests/test/org/jetbrains/jet/j2k/test/AbstractJavaToKotlinConverterTest.kt

@@ -38,6 +38,8 @@ import org.jetbrains.jet.j2k.ReferenceSearcherImpl
 import junit.framework.TestCase
 import com.intellij.openapi.util.Disposer
 import org.jetbrains.jet.j2k.translateToKotlin
+import com.intellij.openapi.vfs.newvfs.impl.VfsRootAccess
+import org.jetbrains.jet.JetTestCaseBuilder
 
 public abstract class AbstractJavaToKotlinConverterTest() : LightCodeInsightFixtureTestCase() {
     val testHeaderPattern = Pattern.compile("//(element|expression|statement|method|class|file|comp)\n")
@@ -45,6 +47,8 @@ public abstract class AbstractJavaToKotlinConverterTest() : LightCodeInsightFixt
     override fun setUp() {
         super.setUp()
 
+        VfsRootAccess.allowRootAccess(JetTestCaseBuilder.getHomeDirectory())
+
         fun addFile(fileName: String, packageName: String) {
             val code = FileUtil.loadFile(File("j2k/tests/testData/$fileName"), true)
             val root = LightPlatformTestCase.getSourceRoot()!!
@@ -59,6 +63,11 @@ public abstract class AbstractJavaToKotlinConverterTest() : LightCodeInsightFixt
         }
     }
 
+    override fun tearDown() {
+        VfsRootAccess.disallowRootAccess(JetTestCaseBuilder.getHomeDirectory())
+        super<LightCodeInsightFixtureTestCase>.tearDown()
+    }
+
     public fun doTest(javaPath: String) {
         val project = LightPlatformTestCase.getProject()!!
         val javaFile = File(javaPath)