Making test case declarations more compact.

src/MagnumPlugins/AnyImageImporter/Test/Test.cpp

@@ -35,8 +35,7 @@
 
 namespace Magnum { namespace Trade { namespace Test {
 
-class AnyImageImporterTest: public TestSuite::Tester {
+struct AnyImageImporterTest: TestSuite::Tester {
-    public:
     explicit AnyImageImporterTest();
 
     void tga();

src/MagnumPlugins/AnySceneImporter/Test/Test.cpp

@@ -35,8 +35,7 @@
 
 namespace Magnum { namespace Trade { namespace Test {
 
-class AnySceneImporterTest: public TestSuite::Tester {
+struct AnySceneImporterTest: TestSuite::Tester {
-    public:
     explicit AnySceneImporterTest();
 
     void obj();