Resolve failed testcases:ActsKernelTest#DlopenTest#testDlopenSoInRelativeRpath

Change-Id: Ic7887b5e8bee7f9bc1cde3b89af4dae062c8fd1a

kernel_lite/dyload_posix/DlopenTest.cpp

@@ -271,6 +271,7 @@ HWTEST_F(DlopenTest, testDlopenSoInRelativeRpath, Function | MediumTest | Level2
     ASSERT_NE(MakeDir("./lib"), -1);
     ASSERT_EQ(CopyFile(resSO, newSO), 0);
     LOG("SetUp ok");
+    Msleep(5000);
 
     // test
     int rt = RunElf(testELF, NULL, NULL);