This worked for me on mac os High sierra 10.13.6, java 8 64-bit, jmeter 4.0
$ jmeter -n --testfile /path/to/Test_Plan.jmx
Sample output:
Creating summariser <summary>
Created the tree successfully using ./src/test/jmeter/Test_Plan.jmx
Starting the test @ Fri Aug 24 17:18:18 PDT 2018 (1535156298333)
Waiting for possible Shutdown/StopTestNow/Heapdump message on port 4445
summary = 10 in 00:00:09 = 1.1/s Avg: 6666 Min: 1000 Max: 8950 Err:
0 (0.00%)
Tidying up ... @ Fri Aug 24 17:18:28 PDT 2018 (1535156308049)
... end of run