Fix iconitem test - second try

autotests/data/icons/test-theme/index.theme

@@ -3,8 +3,6 @@ Name=Unittest Theme
 
 DisplayDepth=32
 
-Inherits=breeze
-
 DesktopDefault=48
 DesktopSizes=16,22,32,48,64,128,256
 ToolbarDefault=22
@@ -21,7 +19,7 @@ DialogSizes=16,22,32,48,64,128,256
 ########## Directories
 ########## ordered by category and alphabetically
 
-Directories=apps/22,apps/32
+Directories=apps/22,apps/32,apps/48
 
 [apps/22]
 Size=22

autotests/iconitemtest.cpp

@@ -61,6 +61,9 @@ void IconItemTest::initTestCase()
 
     QFile::remove(configPath);
 
+    QIcon::setThemeSearchPaths({QFINDTESTDATA("data/icons")});
+    QIcon::setThemeName("test-theme");
+
     KConfigGroup cg(KSharedConfig::openConfig(), "Icons");
     cg.writeEntry("Theme", "test-theme");
     KConfigGroup plasmaConfig(KSharedConfig::openConfig("plasmarc"), "Theme");