Default to freedesktop instead of dummy

At some point we will need a proper backend loading system, atm this
works just fine.

autotests/solidpowertest.cpp

@@ -32,6 +32,7 @@ class solidPowerTest : public QObject
 {
     Q_OBJECT
 private Q_SLOTS:
+    void initTestCase();
     void testAcPluggedJob();
     void testAcPluggedChanged();
     void testAddInhibition();
@@ -39,6 +40,11 @@ private Q_SLOTS:
     void testRequestState();
 };
 
+void solidPowerTest::initTestCase()
+{
+    qputenv("SOLID_POWER_BACKEND", "DUMMY");
+}
+
 void solidPowerTest::testAcPluggedJob()
 {
     AcPluggedJob *job = new AcPluggedJob();

src/solid/power/powerbackendloader.cpp

@@ -32,10 +32,10 @@ using namespace Solid;
 
 AbstractAcPluggedJob* PowerBackendLoader::AcPluggedJob()
 {
-    if (qgetenv("SOLID_POWER_BACKEND") == "FREE_DESKTOP") {
-        return new FDAcPluggedJob();
+    if (qgetenv("SOLID_POWER_BACKEND") == "DUMMY") {
+        return new DummyAcPluggedJob();
     }
-    return new DummyAcPluggedJob();
+    return new FDAcPluggedJob();
 }
 
 AbstractInhibitionJob* PowerBackendLoader::addInhibitionJob(Power::States inhibitions, const QString &description)
@@ -55,8 +55,8 @@ AbstractRequestStateJob* PowerBackendLoader::requestState()
 
 PowerNotifier* PowerBackendLoader::notifier()
 {
-    if (qgetenv("SOLID_POWER_BACKEND") == "FREE_DESKTOP") {
-        return new FDPowerNotifier();
+    if (qgetenv("SOLID_POWER_BACKEND") == "DUMMY") {
+        return new DummyPowerNotifier();
     }
-    return new DummyPowerNotifier();
-}
+    return new FDPowerNotifier();
+}
\ No newline at end of file