Added test for "is_function_processor_working()" function

Author: haoxingz

pymatbridge/tests/test_function_processor.py

@@ -0,0 +1,21 @@
+import pymatbridge as pymat
+import numpy.testing as npt
+import test_utils as tu
+
+
+class TestFunctionProcessor:
+
+    # Start a Matlab session before running any tests
+    @classmethod
+    def setup_class(cls):
+        cls.mlab = tu.connect_to_matlab()
+
+    # Tear down the Matlab session after running all the tests
+    @classmethod
+    def teardown_class(cls):
+        tu.stop_matlab(cls.mlab)
+
+    # Test the "is_function_processor_working()" function
+    def test_is_function_processor_working(self):
+        npt.assert_equal(self.mlab.is_function_processor_working(), True)
+