Use qmake for package dependency resolution in cmake tests.

This allows us to remove hardcoded depends information.

Change-Id: I5aac8d8e4fe53ad335ab4317c2bca82e9b6e4ede
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

tests/auto/cmake/CMakeLists.txt

@@ -9,8 +9,6 @@ find_package(Qt5Core REQUIRED)
 
 include("${_Qt5CTestMacros}")
 
-set(Qt5_MODULE_TEST_DEPENDS Network)
-
 test_module_includes(
   XmlPatterns QXmlQuery
 )

tests/auto/cmake/cmake.pro

@@ -2,4 +2,6 @@
 # Cause make to do nothing.
 TEMPLATE = subdirs
 
+CMAKE_QT_MODULES_UNDER_TEST = xmlpatterns
+
 CONFIG += ctest_testcase