enable remote verification by default in RExecClient

src/main/java/org/apache/commons/net/bsd/RExecClient.java

@@ -65,7 +65,7 @@ public class RExecClient extends SocketClient {
      */
     public static final int DEFAULT_PORT = 512;
 
-    private boolean remoteVerificationEnabled;
+    private boolean remoteVerificationEnabled = true;
 
     /**
      * If a separate error stream is requested, {@code _errorStream_} will point to an InputStream from which the standard error of the remote process can

src/test/java/org/apache/commons/net/bsd/RCommandClientTest.java

@@ -20,6 +20,7 @@
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -52,4 +53,9 @@ void testGetInputStream() throws IOException {
         }
     }
 
+    @Test
+    void testRemoteVerificationEnabledByDefault() {
+        assertTrue(newClient().isRemoteVerificationEnabled());
+    }
+
 }

src/test/java/org/apache/commons/net/bsd/RExecClientTest.java

@@ -20,6 +20,7 @@
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -67,4 +68,9 @@ void testGetOutputStream() throws IOException {
         }
     }
 
+    @Test
+    void testRemoteVerificationEnabledByDefault() {
+        assertTrue(newClient().isRemoteVerificationEnabled());
+    }
+
 }

src/test/java/org/apache/commons/net/bsd/RLoginClientTest.java

@@ -20,6 +20,7 @@
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -52,4 +53,9 @@ void testGetInputStream() throws IOException {
         }
     }
 
+    @Test
+    void testRemoteVerificationEnabledByDefault() {
+        assertTrue(newClient().isRemoteVerificationEnabled());
+    }
+
 }