read tunnel length from different config and fix tests

src/test/ConfigLoaderTest.cpp

@@ -164,6 +164,7 @@ refund_percentage = 75
 scrap_despawn_seconds = 30
 belt_speed_tiles_per_second = 2
 starting_building_blocks = 100
+tunnel_max_distance = 10
 
 [regions]
 asteroid_width = 40
@@ -209,6 +210,7 @@ refund_percentage = 75
 scrap_despawn_seconds = 30
 belt_speed_tiles_per_second = 2
 starting_building_blocks = 100
+tunnel_max_distance = 10
 
 [regions]
 asteroid_width = 40
@@ -322,3 +324,4 @@ duration_seconds = 1.0
         ConfigLoader::loadRecipes((dir.path() / "recipes.toml").string()),
         std::runtime_error);
 }
+

src/test/config/buildings.toml

@@ -12,6 +12,20 @@ player_placeable = true
 construction_time_seconds = 1
 surface_mask = ["<A>"]
 
+[[building]]
+id = "tunnel_entry"
+cost = 5
+player_placeable = true
+construction_time_seconds = 3
+surface_mask = ["A>"]
+
+[[building]]
+id = "tunnel_exit"
+cost = 5
+player_placeable = true
+construction_time_seconds = 3
+surface_mask = ["A>"]
+
 [[building]]
 id = "miner"
 cost = 15

src/test/config/world.toml

@@ -4,6 +4,7 @@ refund_percentage = 75
 starting_building_blocks = 100
 scrap_despawn_seconds = 30
 belt_speed_tiles_per_second = 2
+tunnel_max_distance = 10
 
 [regions]
 asteroid_width = 40