diff --git a/plugins/configuration-script/test/ConfigurationSchemaTest.kt b/plugins/configuration-script/test/ConfigurationSchemaTest.kt
index 24aa87759c9a..a3a04b2f8910 100644
--- a/plugins/configuration-script/test/ConfigurationSchemaTest.kt
+++ b/plugins/configuration-script/test/ConfigurationSchemaTest.kt
@@ -4,6 +4,7 @@ import com.intellij.codeInsight.completion.CompletionTestCase
 import com.intellij.codeInsight.lookup.LookupElement
 import com.intellij.codeInsight.lookup.LookupElementPresentation
 import com.intellij.json.JsonFileType
+import com.intellij.openapi.util.UserDataHolderEx
 import com.intellij.testFramework.EditorTestUtil
 import com.intellij.testFramework.LightVirtualFile
 import com.intellij.testFramework.assertions.Assertions.assertThat
@@ -14,10 +15,10 @@ import java.nio.charset.StandardCharsets
 
 // this test requires YamlJsonSchemaCompletionContributor, that's why intellij.yaml is added as test dependency
 internal class ConfigurationSchemaTest : CompletionTestCase() {
-  companion object {
-    private val schemaFile by lazy {
-      LightVirtualFile("scheme.json", JsonFileType.INSTANCE, generateConfigurationSchema(), StandardCharsets.UTF_8, 0)
-    }
+  private var schemaFile: LightVirtualFile? = null
+  override fun setUp() {
+    super.setUp()
+    schemaFile = LightVirtualFile("scheme.json", JsonFileType.INSTANCE, generateConfigurationSchema(), StandardCharsets.UTF_8, 0)
   }
 
   fun `test map and description`() {
@@ -60,7 +61,7 @@ internal class ConfigurationSchemaTest : CompletionTestCase() {
     val element = file.findElementAt(position)
     assertThat(element).isNotNull
 
-    val schemaObject = JsonSchemaReader.readFromFile(myProject, schemaFile)
+    val schemaObject = JsonSchemaReader.readFromFile(myProject, schemaFile!!)
     assertThat(schemaObject).isNotNull
 
     return JsonSchemaCompletionContributor.getCompletionVariants(schemaObject, element!!, element)