Fix flaky costmap filters tests: (#3754)

1. Set forward_prune_distance to 1.0 to robot not getting lost
2. Correct map name for costmap filter tests

Author: AlexeyMerzlyakov

nav2_system_tests/src/costmap_filters/keepout_params.yaml

@@ -119,6 +119,7 @@ controller_server:
       plugin: "dwb_core::DWBLocalPlanner"
       debug_trajectory_details: True
       prune_distance: 1.0
+      forward_prune_distance: 1.0
       min_vel_x: 0.0
       min_vel_y: 0.0
       max_vel_x: 0.26

nav2_system_tests/src/costmap_filters/test_keepout_launch.py

@@ -48,7 +48,7 @@ def generate_launch_description():
     param_substitutions = {
         'planner_server.ros__parameters.GridBased.use_astar': os.getenv('ASTAR'),
         'filter_mask_server.ros__parameters.yaml_filename': filter_mask_file,
-        'yaml_filename': filter_mask_file}
+        'map_server.ros__parameters.yaml_filename': map_yaml_file}
     configured_params = RewrittenYaml(
         source_file=params_file,
         root_key='',

nav2_system_tests/src/costmap_filters/test_speed_launch.py

@@ -47,7 +47,7 @@ def generate_launch_description():
     param_substitutions = {
         'planner_server.ros__parameters.GridBased.use_astar': os.getenv('ASTAR'),
         'filter_mask_server.ros__parameters.yaml_filename': filter_mask_file,
-        'yaml_filename': filter_mask_file}
+        'map_server.ros__parameters.yaml_filename': map_yaml_file}
     configured_params = RewrittenYaml(
         source_file=params_file,
         root_key='',