fixing missing licensing tests

tests/test_licensing.py

@@ -182,20 +182,21 @@ def test_license_checker(tmpdir, license_checker):
 
 @requires("local")
 @skip_no_lic_bin
-def test_check_license_file(tmpdir):
+def test_check_license_file(mapdl, tmpdir):
     timeout = 15
     checker = licensing.LicenseChecker(timeout=timeout)
     # start the license check in the background
     checker.start(checkout_license=False)
 
     try:
-        mapdl = launch_mapdl(
+        mapdl_ = launch_mapdl(
+            port=mapdl.port + 1,
             license_server_check=False,
             start_timeout=timeout,
             additional_switches=QUICK_LAUNCH_SWITCHES,
         )
-        assert mapdl._local
-        mapdl.exit()
+        assert mapdl_._local
+        mapdl_.exit()
     except IOError:  # MAPDL never started
         assert not checker._license_file_success
     else: