Java: fix test that got a bit broken long ago

GitOrigin-RevId: 2a55678b0a8e426041f444bb24e642939aed4e34

java/java-analysis-impl/src/com/siyeh/ig/initialization/InstanceVariableInitializationInspection.java

@@ -121,8 +121,7 @@ public final class InstanceVariableInitializationInspection extends BaseInspecti
       }
     }
 
-    private static boolean isInitializedInSetup(PsiField field,
-                                                PsiClass aClass) {
+    private static boolean isInitializedInSetup(PsiField field, PsiClass aClass) {
       final PsiMethod setupMethod = TestFrameworks.getInstance().findSetUpMethod(aClass);
       return InitializationUtils.methodAssignsVariableOrFails(setupMethod, field);
     }

java/java-tests/testData/ig/com/siyeh/igtest/initialization/field/InstanceVariableInitialization.java

@@ -1,17 +1,17 @@
 package com.siyeh.igtest.initialization.field;
 
-import <error descr="Cannot resolve symbol 'junit'">junit</error>.framework.TestCase;
+import junit.framework.TestCase;
 
-public class InstanceVariableInitialization extends <error descr="Cannot resolve symbol 'TestCase'">TestCase</error> { // needs junit.jar for testcase to work
+public class InstanceVariableInitialization extends TestCase {
 
-    private String <warning descr="Instance field 'javaHome' may not be initialized during object construction">javaHome</warning>;
+    private String <warning descr="Instance field 'javaHome' may not be initialized during object construction or 'setUp()' call">javaHome</warning>;
 
     InstanceVariableInitialization() {
         //javaHome = System.getProperty("java.home");
     }
 
     protected void setUp() throws Exception {
-        super.<error descr="Cannot resolve method 'setUp()'">setUp</error>();
+        super.setUp();
     }
 }
 class InstanceVariableInitializationInspection

java/java-tests/testSrc/com/siyeh/ig/initialization/InstanceVariableInitializationInspectionTest.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.siyeh.ig.initialization;
 
 import com.intellij.testFramework.LightProjectDescriptor;
@@ -19,6 +19,12 @@ public class InstanceVariableInitializationInspectionTest extends LightJavaCodeI
   }
 
   private void doTest() {
+    myFixture.addClass("""
+                         package junit.framework;
+                         public class TestCase {
+                           protected void setUp() throws Exception {}
+                         }
+                         """);
     myFixture.enableInspections(new InstanceVariableInitializationInspection());
     myFixture.testHighlighting(getTestName(false) + ".java");
   }
@@ -26,5 +32,4 @@ public class InstanceVariableInitializationInspectionTest extends LightJavaCodeI
   public void testInstanceVariableInitialization() {
     doTest();
   }
-
 }