GL: print info about used multi-draw extensions before any test skips.

For clearer output, otherwise it may seem that certain test case
instances don't even check the multidraw extension.

src/Magnum/GL/Test/MeshGLTest.cpp

@@ -4299,6 +4299,17 @@ void MeshGLTest::multiDrawIndexedViews() {
     auto&& data = MultiDrawIndexedData[testCaseInstanceId()];
     setTestCaseDescription(data.name);
 
+    #ifdef MAGNUM_TARGET_GLES
+    #ifndef MAGNUM_TARGET_WEBGL
+    if(!Context::current().isExtensionSupported<Extensions::EXT::multi_draw_arrays>() &&
+       !Context::current().isExtensionSupported<Extensions::ANGLE::multi_draw>())
+        CORRADE_INFO("Neither" << Extensions::EXT::multi_draw_arrays::string() << "nor" << Extensions::ANGLE::multi_draw::string() << "is supported, using fallback implementation");
+    #else
+    if(!Context::current().isExtensionSupported<Extensions::WEBGL::multi_draw>())
+        CORRADE_INFO(Extensions::WEBGL::multi_draw::string() << "is not supported, using fallback implementation");
+    #endif
+    #endif
+
     #ifndef MAGNUM_TARGET_GLES2
     if(data.vertexId && !GL::Context::current().isExtensionSupported<GL::Extensions::MAGNUM::shader_vertex_id>())
         CORRADE_SKIP("gl_VertexID not supported");
@@ -4336,17 +4347,6 @@ void MeshGLTest::multiDrawIndexedViews() {
         #endif
     }
 
-    #ifdef MAGNUM_TARGET_GLES
-    #ifndef MAGNUM_TARGET_WEBGL
-    if(!Context::current().isExtensionSupported<Extensions::EXT::multi_draw_arrays>() &&
-       !Context::current().isExtensionSupported<Extensions::ANGLE::multi_draw>())
-        CORRADE_INFO("Neither" << Extensions::EXT::multi_draw_arrays::string() << "nor" << Extensions::ANGLE::multi_draw::string() << "is supported, using fallback implementation");
-    #else
-    if(!Context::current().isExtensionSupported<Extensions::WEBGL::multi_draw>())
-        CORRADE_INFO(Extensions::WEBGL::multi_draw::string() << "is not supported, using fallback implementation");
-    #endif
-    #endif
-
     const struct {
         Vector2 position;
         Vector4 value;