diff --git a/java/java-tests/testSrc/com/intellij/java/codeInsight/completion/AbstractCompilerAwareTest.java b/java/java-tests/testSrc/com/intellij/java/codeInsight/completion/AbstractCompilerAwareTest.java
index 33f529837596..d0db78445772 100644
--- a/java/java-tests/testSrc/com/intellij/java/codeInsight/completion/AbstractCompilerAwareTest.java
+++ b/java/java-tests/testSrc/com/intellij/java/codeInsight/completion/AbstractCompilerAwareTest.java
@@ -5,19 +5,23 @@ import com.intellij.openapi.compiler.CompilerMessage;
 import com.intellij.openapi.compiler.CompilerMessageCategory;
 import com.intellij.openapi.module.ModuleManager;
 import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.pom.java.LanguageLevel;
 import com.intellij.testFramework.CompilerTester;
+import com.intellij.testFramework.builders.JavaModuleFixtureBuilder;
 import com.intellij.testFramework.fixtures.JavaCodeInsightFixtureTestCase;
 
 import java.io.File;
 import java.io.IOException;
 import java.util.Arrays;
 
-/**
- * @author Dmitry Batkovich
- */
 public abstract class AbstractCompilerAwareTest extends JavaCodeInsightFixtureTestCase {
   private CompilerTester myCompilerTester;
 
+  @Override
+  protected void tuneFixture(JavaModuleFixtureBuilder<?> moduleBuilder) throws Exception {
+    moduleBuilder.setLanguageLevel(LanguageLevel.JDK_11);
+  }
+
   @Override
   protected void tearDown() throws Exception {
     myCompilerTester = null;