AnyImageImporter: adapt test to Corrade changes.

src/MagnumPlugins/AnyImageImporter/Test/AnyImageImporterTest.cpp

@@ -152,10 +152,10 @@ void AnyImageImporterTest::detect() {
     CORRADE_VERIFY(!importer->openFile(Utility::Directory::join(TEST_FILE_DIR, data.filename)));
     /* Can't use raw string literals in macros on GCC 4.7 */
     #ifndef CORRADE_PLUGINMANAGER_NO_DYNAMIC_PLUGIN_SUPPORT
-    CORRADE_COMPARE(out.str(), Utility::format(
+    CORRADE_COMPARE(out.str(), Utility::formatString(
 "PluginManager::Manager::load(): plugin {0} is not static and was not found in nonexistent\nTrade::AnyImageImporter::{1}(): cannot load {0} plugin\n", data.plugin, data.callback ? "openData" : "openFile"));
     #else
-    CORRADE_COMPARE(out.str(), Utility::format(
+    CORRADE_COMPARE(out.str(), Utility::formatString(
 "PluginManager::Manager::load(): plugin {0} was not found\nTrade::AnyImageImporter::{1}(): cannot load {0} plugin\n", data.plugin, data.callback ? "openData" : "openFile"));
     #endif
 }