diff --git a/plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/junit/Junit5ConverterFixTest.java b/plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/junit/Junit5ConverterFixTest.java
index 2b42603eac12..c160356c26bd 100644
--- a/plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/junit/Junit5ConverterFixTest.java
+++ b/plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/junit/Junit5ConverterFixTest.java
@@ -15,6 +15,8 @@
  */
 package com.siyeh.ig.fixes.junit;
 
+import com.intellij.testFramework.IdeaTestUtil;
+import com.intellij.testFramework.builders.JavaModuleFixtureBuilder;
 import com.siyeh.InspectionGadgetsBundle;
 import com.siyeh.ig.IGQuickFixesTestCase;
 import com.siyeh.ig.junit.JUnit5ConverterInspection;
@@ -25,6 +27,12 @@ public class Junit5ConverterFixTest extends IGQuickFixesTestCase {
     doTest();
   }
 
+  @Override
+  protected void tuneFixture(JavaModuleFixtureBuilder builder) throws Exception {
+    super.tuneFixture(builder);
+    builder.addJdk(IdeaTestUtil.getMockJdk18Path().getPath());
+  }
+
   public void testExpectedOnTestAnnotation() throws Exception {
     assertQuickfixNotAvailable();
   }