test: 信号管道用例ItPosixPipe005由于偶现性问题暂时下线

【背景】信号管道用例ItPosixPipe005偶尔会失败，经查找，发现是CPU调度所致，延时时间与期望调度不符合，增加延时时间即可

【修改方案】修复了此问题，但是考虑pipe用例整体不稳定，并且pipe用例的pipe函数存在问题，先暂时下线，等pipe部分全部修改完毕后再上线。

re #I3XXPH

Signed-off-by: vcbchang <vcbchang@qq.com>
Change-Id: I21831c9f5ef5700f3b3c8da02f945e0c37f31a6a

testsuites/unittest/signal/BUILD.gn

@@ -51,7 +51,7 @@ sources_smoke = [
   "smoke/mkfifo_test_002.cpp",
   "smoke/pipe_test_002.cpp",
   "smoke/pipe_test_004.cpp",
-  "smoke/pipe_test_005.cpp",
+  
   "smoke/signal_test_002.cpp",
   "smoke/signal_test_009.cpp",
   "smoke/signal_test_013.cpp",
@@ -107,6 +107,7 @@ sources_full = [
   "full/It_ipc_pipe_003.cpp",
   "full/pipe_test_001.cpp",
   "full/pipe_test_003.cpp",
+  "full/pipe_test_005.cpp",
   "full/pipe_test_006.cpp",
   
 ]

testsuites/unittest/signal/full/pipe_test_005.cpp

@@ -74,7 +74,7 @@ static int PipecommonWrite()
                     exit(errno);
                 }
             }
-            usleep(15000); // 15000, Used to calculate the delay time.
+            usleep(150000); // 150000, Used to calculate the delay time.
         }
         exit(0);
     } else {

testsuites/unittest/signal/signal_test.cpp

@@ -218,17 +218,6 @@ HWTEST_F(SignalTest, ItPosixPipe002, TestSize.Level0)
     ItPosixPipe002();
 }
 
-/* *
- * @tc.name: ItPosixPipe005
- * @tc.desc: function for SignalTest
- * @tc.type: FUNC
- * @tc.require: AR000EEMQ9
- */
-HWTEST_F(SignalTest, ItPosixPipe005, TestSize.Level0)
-{
-    ItPosixPipe005();
-}
-
 /* *
  * @tc.name: ItPosixMkfifo002
  * @tc.desc: function for SignalTest
@@ -638,6 +627,17 @@ HWTEST_F(SignalTest, ItPosixPipe003, TestSize.Level0)
     ItPosixPipe003();
 }
 
+/* *
+ * @tc.name: ItPosixPipe005
+ * @tc.desc: function for SignalTest
+ * @tc.type: FUNC
+ * @tc.require: AR000EEMQ9
+ */
+HWTEST_F(SignalTest, ItPosixPipe005, TestSize.Level0)
+{
+    ItPosixPipe005();
+}
+
 /* *
  * @tc.name: ItPosixPipe006
  * @tc.desc: function for SignalTest