修改由权限导致用例执行失败的问题

Signed-off-by: Nlimeng151 <limeng151@huawei.com>
Change-Id: I303461dc760f4d16ee9b76aa3eb193b998a23924

kernel_lite/process_posix/src/UidGidTest.cpp

@@ -642,7 +642,6 @@ HWTEST_F(UidGidTest, testGetgroups, Function | MediumTest | Level1)
     int n = getgroups(0, gidList);
     ASSERT_EQ(n, 1);
     ASSERT_EQ(gidList[0], 0);
-
     n = getgroups(testSize, gidList);
     ASSERT_EQ(n, 1);
     ASSERT_EQ(gidList[0], SHELL_GID);
@@ -691,8 +690,6 @@ HWTEST_F(UidGidTest, testSetgroups1, Function | MediumTest | Level1)
     n = getgroups(2, gidListOut);
     EXPECT_EQ(n, 1);
     EXPECT_EQ(gidListOut[0], SHELL_GID);
-    gidListOut[0] = 2;
-    int ret = setgroups(2, gidListOut);
     free(gidListIn);
     free(gidListOut);
 }
@@ -708,8 +705,8 @@ HWTEST_F(UidGidTest, testSetgroups2, Function | MediumTest | Level1)
     gid_t gidListOut[4] = {0};
 
     LOG("Init: make sure groups not changed by other test.");
-    int n = getgroups(2, gidListOut);
-    EXPECT_EQ(n, 2);
+    int n = getgroups(1, gidListOut);
+    EXPECT_EQ(n, 1);
     EXPECT_EQ(gidListOut[0], SHELL_GID);
 
     LOG("add 2 groups");

kernel_lite/process_posix/src/UidGidTest.h

@@ -61,6 +61,7 @@ protected:
         setgid(SHELL_GID);
         AssertAllUid(SHELL_UID);
         AssertAllGid(SHELL_GID);
+        int  rt = setgroups(0, NULL);
     }
 };