return envMap;
        }
        return System.getenv();
    }

    /**
     * Set the environment map.
     * @param envMap The environment map.
     */
    public void setEnvMap(final Map<String, String> envMap) {
        this.envMap = envMap;
    }

    /**
     * Log the login activity.
     * @param user The user.
     */

        Map<String, String> testEnv = new HashMap<>();
        testEnv.put("TEST_KEY", "TEST_VALUE");
        activityHelper.setEnvMap(testEnv);
        assertEquals(testEnv, activityHelper.getEnvMap());
    }

    @Test
    public void test_getEnvMap_withoutCustomMap() {
        activityHelper.setEnvMap(null);
        Map<String, String> envMap = activityHelper.getEnvMap();
        assertNotNull(envMap);
    }