Add private module qt3dcoretest

Static library containing helpers for unit tests to avoid having to
build the same files 200 times.

Change-Id: I89d63abbd7777a96276154298c2748e2d6774514
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/auto/auto.pro b/tests/auto/auto.pro
index 7cbb53089..cc7e5590a 100644
--- a/tests/auto/auto.pro
+++ b/tests/auto/auto.pro
@@ -1,6 +1,7 @@
 TEMPLATE = subdirs
 
 SUBDIRS = \
+    coretest \
     core \
     render \
     quick3d \
@@ -10,3 +11,9 @@ SUBDIRS = \
     extras
 
 installed_cmake.depends = cmake
+
+for(subdir, SUBDIRS) {
+    !equals(subdir, coretest) {
+        $${subdir}.depends += coretest
+    }
+}