diff --git a/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrAssignabilityClosureToSamTest.java b/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrAssignabilityClosureToSamTest.java
index 35c6461aa355..7facf9fe26ba 100644
--- a/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrAssignabilityClosureToSamTest.java
+++ b/plugins/groovy/test/org/jetbrains/plugins/groovy/lang/highlighting/GrAssignabilityClosureToSamTest.java
@@ -1,83 +1,90 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package org.jetbrains.plugins.groovy.lang.highlighting
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package org.jetbrains.plugins.groovy.lang.highlighting;
 
-import com.intellij.codeInspection.InspectionProfileEntry
-import com.intellij.openapi.util.registry.Registry
-import com.intellij.testFramework.LightProjectDescriptor
-import org.jetbrains.plugins.groovy.GroovyProjectDescriptors
-import org.jetbrains.plugins.groovy.codeInspection.assignment.GroovyAssignabilityCheckInspection
-import org.jetbrains.plugins.groovy.intentions.style.inference.MethodParameterAugmenter
+import com.intellij.codeInspection.InspectionProfileEntry;
+import com.intellij.openapi.util.registry.Registry;
+import com.intellij.testFramework.LightProjectDescriptor;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.groovy.GroovyProjectDescriptors;
+import org.jetbrains.plugins.groovy.codeInspection.assignment.GroovyAssignabilityCheckInspection;
+import org.jetbrains.plugins.groovy.intentions.style.inference.MethodParameterAugmenter;
 
 /**
  * @author Max Medvedev
  */
-class GrAssignabilityClosureToSamTest extends GrHighlightingTestBase {
-  InspectionProfileEntry[] getCustomInspections() { [new GroovyAssignabilityCheckInspection()] }
-
-  final LightProjectDescriptor projectDescriptor = GroovyProjectDescriptors.GROOVY_2_2
-
-  void testAssignability() {
-    doTestHighlighting('''\
-interface A {
-  def foo()
-}
-interface B {}
-
-A a = {print 1}
-A a1 = {->print 1}
-A a2 = {String s->print 1}
-B <warning>b</warning> = {print 2}
-''')
+public class GrAssignabilityClosureToSamTest extends GrHighlightingTestBase {
+  @Override
+  public InspectionProfileEntry[] getCustomInspections() {
+    return new GroovyAssignabilityCheckInspection[]{new GroovyAssignabilityCheckInspection()};
   }
 
-  void testAmbiguous() {
-    def registryValue = Registry.is(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE)
-    Registry.get(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE).setValue(true)
+  public void testAssignability() {
+    doTestHighlighting("""
+                         interface A {
+                           def foo()
+                         }
+                         interface B {}
+
+                         A a = {print 1}
+                         A a1 = {->print 1}
+                         A a2 = {String s->print 1}
+                         B <warning>b</warning> = {print 2}
+                         """);
+  }
+
+  public void testAmbiguous() {
+    boolean registryValue = Registry.is(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE);
+    Registry.get(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE).setValue(true);
     try {
-      doTestHighlighting('''\
-interface SAM1 { def foo(String s)}
-interface SAM2 { def bar(Integer i)}
+      doTestHighlighting("""
+                           interface SAM1 { def foo(String s)}
+                           interface SAM2 { def bar(Integer i)}
 
-def method(x, SAM1 s1){s1.foo(x)}
-def method(x, SAM2 s2){s2.bar(x)}
+                           def method(x, SAM1 s1){s1.foo(x)}
+                           def method(x, SAM2 s2){s2.bar(x)}
 
-method <warning>(1)</warning>   {it}  // fails because SAM1 and SAM2 are seen as equal
-method <warning>("1")</warning> {it}  // fails because SAM1 and SAM2 are seen as equal
+                           method <warning>(1)</warning>   {it}  // fails because SAM1 and SAM2 are seen as equal
+                           method <warning>("1")</warning> {it}  // fails because SAM1 and SAM2 are seen as equal
 
-''')
-    } finally {
-      Registry.get(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE).setValue(registryValue)
+                           """);
+    }
+    finally {
+      Registry.get(MethodParameterAugmenter.GROOVY_COLLECT_METHOD_CALLS_FOR_INFERENCE).setValue(registryValue);
     }
   }
 
-  void testGenerics() {
-    doTestHighlighting('''
-interface A<T> {
-  def foo(T t)
-}
+  public void testGenerics() {
+    doTestHighlighting("""
+                         interface A<T> {
+                           def foo(T t)
+                         }
 
-A<String> a1 = {print 1}
-A<String> a2 = {String s -> print 1}
-A<String> a3 = {int s -> print 1}
-A a4 = {int s -> print 1}
-A a7 = {int s, String y -> print 1}
-A a5 = { print 1}
-A a6 = {x -> print 1}
-''')
+                         A<String> a1 = {print 1}
+                         A<String> a2 = {String s -> print 1}
+                         A<String> a3 = {int s -> print 1}
+                         A a4 = {int s -> print 1}
+                         A a7 = {int s, String y -> print 1}
+                         A a5 = { print 1}
+                         A a6 = {x -> print 1}
+                         """);
   }
 
-  void testGenerics2() {
-    doTestHighlighting('''
-interface A<T> {
-  def foo(T t)
-}
+  public void testGenerics2() {
+    doTestHighlighting("""
+                         interface A<T> {
+                           def foo(T t)
+                         }
 
-interface B extends A<String> {}
+                         interface B extends A<String> {}
 
-B b1 = {print 1}
-B b2 = {String s -> print 1}
-B b3 = {int s -> print 1}
-''')
+                         B b1 = {print 1}
+                         B b2 = {String s -> print 1}
+                         B b3 = {int s -> print 1}
+                         """);
   }
 
+  @Override
+  public final @NotNull LightProjectDescriptor getProjectDescriptor() {
+    return GroovyProjectDescriptors.GROOVY_2_2;
+  }
 }