[console] Display success message after line cleared (#1579)

* [console] Display success message after line cleared

Signed-off-by: Jing Kan [email protected]

Author: Blueve

consutil/main.py

@@ -74,6 +74,8 @@ def clear(db, target, devicename):
 
     if not target_port.clear_session():
         click.echo("No process is connected to line " + target_port.line_num)
+    else:
+        click.echo("Cleared line")
 
 # 'connect' subcommand
 @consutil.command()

tests/console_test.py

@@ -698,4 +698,4 @@ def test_clear_success(self):
         print(result.exit_code)
         print(sys.stderr, result.output)
         assert result.exit_code == 0
-        assert result.output == ""
+        assert "Cleared line" in result.output