clear System properties when the test tears down

persistence-modules/spring-persistence-simple-2/src/test/java/com/baeldung/jndi/datasource/SimpleJNDIUnitTest.java

@@ -6,6 +6,7 @@ import javax.naming.Context;
 import javax.naming.InitialContext;
 import javax.sql.DataSource;
 
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -34,4 +35,13 @@ public class SimpleJNDIUnitTest {
         assertEquals(dsString, ds.toString());
     }
 
+    @AfterEach
+    public void tearDown() {
+        System.clearProperty("java.naming.factory.initial");
+        System.clearProperty("org.osjava.sj.root");
+        System.clearProperty("org.osjava.sj.delimiter");
+        System.clearProperty("jndi.syntax.separator");
+        System.clearProperty("org.osjava.sj.space");
+    }
+
 }