test: cleanup

test/entt/core/any.cpp

@@ -2,7 +2,6 @@
 #include <array>
 #include <cstdint>
 #include <cstring>
-#include <iterator>
 #include <memory>
 #include <type_traits>
 #include <unordered_map>

test/entt/entity/entity.cpp

@@ -1,4 +1,7 @@
+#include <cstddef>
+#include <cstdint>
 #include <gtest/gtest.h>
+#include <entt/config/config.h>
 #include <entt/entity/entity.hpp>
 #include "../common/custom_entity.h"
 

test/entt/entity/runtime_view.cpp

@@ -1,4 +1,5 @@
 #include <algorithm>
+#include <memory>
 #include <utility>
 #include <gtest/gtest.h>
 #include <entt/entity/entity.hpp>

test/entt/entity/sparse_set.cpp

@@ -3,7 +3,6 @@
 #include <cstddef>
 #include <cstdint>
 #include <functional>
-#include <iterator>
 #include <memory>
 #include <utility>
 #include <gtest/gtest.h>

test/entt/entity/storage.cpp

@@ -1,7 +1,6 @@
 #include <algorithm>
 #include <array>
 #include <cstddef>
-#include <iterator>
 #include <memory>
 #include <tuple>
 #include <type_traits>

test/entt/entity/storage_no_instance.cpp

@@ -1,7 +1,6 @@
 #include <algorithm>
 #include <array>
 #include <functional>
-#include <iterator>
 #include <memory>
 #include <tuple>
 #include <type_traits>

test/entt/meta/meta_any.cpp

@@ -1,7 +1,6 @@
 #include <algorithm>
 #include <array>
 #include <cstddef>
-#include <iterator>
 #include <memory>
 #include <utility>
 #include <gtest/gtest.h>

test/example/reserved_bits.cpp

@@ -1,6 +1,10 @@
+#include <cstddef>
+#include <cstdint>
 #include <iterator>
 #include <gtest/gtest.h>
+#include <entt/config/config.h>
 #include <entt/core/enum.hpp>
+#include <entt/core/fwd.hpp>
 #include <entt/entity/entity.hpp>
 #include <entt/entity/registry.hpp>
 

test/example/signal_less.cpp

@@ -1,5 +1,4 @@
 #include <array>
-#include <iterator>
 #include <type_traits>
 #include <gtest/gtest.h>
 #include <entt/entity/entity.hpp>