Module providers: Fix some change tracking problems

- We must not remember our temporary files.
- We need to use a different reference time stamp for the created
modules.
- Collecting the results of File.exists() & friends can lead to false
positives, so we disable it for now.

Change-Id: Id64685b510606f1991e83eb825c36a1b3ec4a4e1
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/tests/auto/blackbox/tst_blackbox.cpp b/tests/auto/blackbox/tst_blackbox.cpp
index 82f29f320..8154e7262 100644
--- a/tests/auto/blackbox/tst_blackbox.cpp
+++ b/tests/auto/blackbox/tst_blackbox.cpp
@@ -6396,7 +6396,8 @@ void TestBlackbox::fallbackModuleProvider()
     static const auto b2s = [](bool b) { return QString(b ? "true" : "false"); };
     QbsRunParameters resolveParams("resolve",
         QStringList{"modules.pkgconfig.libDirs:" + pkgConfigLibDirs.join(','),
-                    "products.p.fallbacksEnabled:" + b2s(fallbacksEnabledInProduct)});
+                    "products.p.fallbacksEnabled:" + b2s(fallbacksEnabledInProduct),
+                    "--force-probe-execution"});
     if (!fallbacksEnabledGlobally)
         resolveParams.arguments << "--no-fallback-module-provider";
     QCOMPARE(runQbs(resolveParams), 0);