Remove security manager after nosql test completion.

@@ -28,14 +28,6 @@ import java.util.Arrays;
         "org.thingsboard.server.rules.lifecycle.sql.*Test"})
 public class RuleEngineSqlTestSuite {
 
-    static {
-        SecurityManager appsm = System.getSecurityManager();
-        System.out.println("SECURITY MANAGER = " + appsm);
-        if (appsm != null) {
-            System.out.println("SECURITY MANAGER CLASS = " + appsm.getClass());
-        }
-    }
-
     @ClassRule
     public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
             Arrays.asList("sql/schema-ts.sql", "sql/schema-entities.sql", "sql/system-data.sql"),

@@ -15,21 +15,11 @@
  */
 package org.thingsboard.server.system;
 
-import net.bytebuddy.asm.AsmVisitorWrapper;
-import net.bytebuddy.asm.MemberSubstitution;
-import net.bytebuddy.matcher.ElementMatchers;
-import org.apache.cassandra.cql3.functions.ThreadAwareSecurityManager;
-import org.hibernate.HibernateException;
-import org.hibernate.bytecode.internal.bytebuddy.ByteBuddyState;
-import org.hibernate.bytecode.internal.bytebuddy.HibernateMethodLookupDispatcher;
 import org.junit.ClassRule;
 import org.junit.extensions.cpsuite.ClasspathSuite;
 import org.junit.runner.RunWith;
 import org.thingsboard.server.dao.CustomSqlUnit;
 
-import java.lang.reflect.Method;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
 import java.util.Arrays;
 
 /**
@@ -46,68 +36,6 @@ public class SystemSqlTestSuite {
         if (appsm != null) {
             System.out.println("SECURITY MANAGER CLASS = " + appsm.getClass());
         }
-
-        AsmVisitorWrapper.ForDeclaredMethods getDeclaredMethodMemberSubstitution;
-        AsmVisitorWrapper.ForDeclaredMethods getMethodMemberSubstitution;
-
-        //if ( System.getSecurityManager() != null ) {
-            getDeclaredMethodMemberSubstitution = getDeclaredMethodMemberSubstitution();
-            getMethodMemberSubstitution = getMethodMemberSubstitution();
-        //}
-        //else {
-        //    getDeclaredMethodMemberSubstitution = null;
-        //    getMethodMemberSubstitution = null;
-        //}
-
-        System.out.println("getDeclaredMethodMemberSubstitution = " + getDeclaredMethodMemberSubstitution);
-        System.out.println("getMethodMemberSubstitution = " + getMethodMemberSubstitution);
-    }
-
-    private static class GetDeclaredMethodAction implements PrivilegedAction<Method> {
-        private final Class<?> clazz;
-        private final String methodName;
-        private final Class<?>[] parameterTypes;
-
-        private GetDeclaredMethodAction(Class<?> clazz, String methodName, Class<?>... parameterTypes) {
-            this.clazz = clazz;
-            this.methodName = methodName;
-            this.parameterTypes = parameterTypes;
-        }
-
-        @Override
-        public Method run() {
-            try {
-                Method method = clazz.getDeclaredMethod( methodName, parameterTypes );
-
-                return method;
-            }
-            catch (NoSuchMethodException e) {
-                throw new HibernateException( "Unable to prepare getDeclaredMethod()/getMethod() substitution", e );
-            }
-        }
-    }
-
-
-    private static AsmVisitorWrapper.ForDeclaredMethods getDeclaredMethodMemberSubstitution() {
-        // this should only be called if the security manager is enabled, thus the privileged calls
-        return MemberSubstitution.relaxed()
-                .method( ElementMatchers.is( AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( Class.class,
-                        "getDeclaredMethod", String.class, Class[].class ) ) ) )
-                .replaceWith(
-                        AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( HibernateMethodLookupDispatcher.class,
-                                "getDeclaredMethod", Class.class, String.class, Class[].class ) ) )
-                .on( ElementMatchers.isTypeInitializer() );
-    }
-
-    private static AsmVisitorWrapper.ForDeclaredMethods getMethodMemberSubstitution() {
-        // this should only be called if the security manager is enabled, thus the privileged calls
-        return MemberSubstitution.relaxed()
-                .method( ElementMatchers.is( AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( Class.class,
-                        "getMethod", String.class, Class[].class ) ) ) )
-                .replaceWith(
-                        AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( HibernateMethodLookupDispatcher.class,
-                                "getMethod", Class.class, String.class, Class[].class ) ) )
-                .on( ElementMatchers.isTypeInitializer() );
     }
 
     @ClassRule

@@ -82,6 +82,7 @@ public class CustomCassandraCQLUnit extends BaseCassandraUnit {
             session = null;
             cluster = null;
         }
+        System.setSecurityManager(null);
     }
 
     // Getters for those who do not like to directly access fields