Fixed QSystemSemaphore autotest for "check" target

As CI runs autotests using the "check" target the approach using
DESTDIR = ../ does not work for the test. Instead the binaries are just
moved one directory up and QFINDTESTDATA is used to find the path of the
helper binary.

Change-Id: If1ed2b60821f1de4ac62f238c8af5e09cf0f444a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

tests/auto/corelib/kernel/qsystemsemaphore/systemsemaphorehelper/systemsemaphorehelper.pro

@@ -1,9 +1,17 @@
 QT = core testlib
 
-DESTDIR = ./
-
 win32: CONFIG += console
 mac:CONFIG -= app_bundle
 
 SOURCES += main.cpp
+TARGET = helperbinary
 
+CONFIG(debug_and_release) {
+    CONFIG(debug, debug|release) {
+        DESTDIR = ../debug
+    } else {
+        DESTDIR = ../release
+    }
+} else {
+    DESTDIR = ..
+}

tests/auto/corelib/kernel/qsystemsemaphore/test/test.pro

@@ -7,4 +7,12 @@ mac:CONFIG -= app_bundle
 SOURCES += tst_qsystemsemaphore.cpp
 TARGET = tst_qsystemsemaphore
 
-DESTDIR = ../
+CONFIG(debug_and_release) {
+    CONFIG(debug, debug|release) {
+        DESTDIR = ../debug
+    } else {
+        DESTDIR = ../release
+    }
+} else {
+    DESTDIR = ..
+}

tests/auto/corelib/kernel/qsystemsemaphore/test/tst_qsystemsemaphore.cpp

@@ -264,11 +264,11 @@ void tst_QSystemSemaphore::initialValue()
 
 QString tst_QSystemSemaphore::helperBinary()
 {
-    QString binary = QStringLiteral("systemsemaphorehelper/systemsemaphorehelper");
+    QString binary = QStringLiteral("helperbinary");
 #ifdef Q_OS_WIN
     binary += QStringLiteral(".exe");
 #endif
-    return binary;
+    return QFINDTESTDATA(binary);
 }
 QTEST_MAIN(tst_QSystemSemaphore)
 #include "tst_qsystemsemaphore.moc"