Update tools/test/toolchains/test_toolchains.py

Co-Authored-By: Hugues Kamba <[email protected]>

Author: rajkan01

tools/test/toolchains/test_toolchains.py

@@ -192,7 +192,7 @@ def test_iar_default_lib(self):
             self.fail(UNSUPPORTED_C_LIB_EXCEPTION_STRING.format(mock_target.default_lib))
 
     def test_iar_default_lib_std_exception(self):
-        """Test that an exception raised if the default_lib is std but it is not listed in supported_c_libs."""
+        """Test that an exception is raised if the std C library is not supported for a target on the IAR toolchain."""
         mock_target = mock.MagicMock()
         mock_target.core = "Cortex-M4"
         mock_target.microlib_supported = False