[core] Update unit tests for viewport collision.

Add 'GridIndex' unit test.

test/tile/vector_tile.test.cpp

@@ -11,7 +11,6 @@
 #include <mbgl/renderer/tile_parameters.hpp>
 #include <mbgl/renderer/buckets/symbol_bucket.hpp>
 #include <mbgl/renderer/query.hpp>
-#include <mbgl/text/collision_tile.hpp>
 #include <mbgl/geometry/feature_index.hpp>
 #include <mbgl/annotation/annotation_manager.hpp>
 #include <mbgl/renderer/image_manager.hpp>
@@ -71,12 +70,13 @@ TEST(VectorTile, Issue7615) {
     VectorTile tile(OverscaledTileID(0, 0, 0), "source", test.tileParameters, test.tileset);
 
     style::SymbolLayer symbolLayer("symbol", "source");
+    std::vector<SymbolInstance> symbolInstances;
     auto symbolBucket = std::make_shared<SymbolBucket>(
         style::SymbolLayoutProperties::PossiblyEvaluated(),
         std::map<
             std::string,
             std::pair<style::IconPaintProperties::PossiblyEvaluated, style::TextPaintProperties::PossiblyEvaluated>>(),
-        16.0f, 1.0f, 0.0f, false, false);
+        16.0f, 1.0f, 0.0f, false, false, false, std::move(symbolInstances));
     
     // Simulate placement of a symbol layer.
     tile.onPlacement(GeometryTile::PlacementResult {
@@ -84,7 +84,6 @@ TEST(VectorTile, Issue7615) {
             symbolLayer.getID(),
             symbolBucket
         }},
-        nullptr,
         {},
         {},
     }, 0);