init: fix ut

Signed-off-by: Nxionglei6 <xionglei6@huawei.com>

test/unittest/common/cmd_func_test.cpp

@@ -733,6 +733,8 @@ static void CheckCmd(const TestCmdLine *resCmd)
         EXPECT_NE(' ', resCmd->cmdContent[0]);    // should not start with space
     } else if (strcmp("loadcfg ", resCmd->name) == 0) {
         EXPECT_NE(' ', resCmd->cmdContent[0]);   // should not start with space
+    } else if (strcmp("export ", resCmd->name) == 0) {
+        EXPECT_NE(' ', resCmd->cmdContent[0]);   // should not start with space
     } else {    // unknown cmd
         EXPECT_TRUE(false);
     }