Address review comments. Refs #18931

framework/include/userobject/LayeredBase.h

@@ -74,7 +74,7 @@ class LayeredBase : private Restartable
    * Get direction of the layers
    * @return layer direction
    */
-  const unsigned int & direction() const { return _direction; }
+  const unsigned int direction() const { return _direction; }
 
   virtual void initialize();
   virtual void finalize();

test/tests/userobjects/nearest_point_layered_average/tests

@@ -1,15 +1,15 @@
 [Tests]
-  [./test]
+  [test]
     type = 'Exodiff'
     input = 'nearest_point_layered_average.i'
     cli_args = "UserObjects/npla/points='0.25 0 0.25 0.75 0 0.25 0.25 0 0.75 0.75 0 0.75'"
     exodiff = 'nearest_point_layered_average_out.e'
     requirement = 'The system shall compute layered averages that computed from the closest values for a list of points that are explicitly specified in an input file'
     design = 'NearestPointLayeredAverage.md'
     issues = '#1878'
-  [../]
+  []
 
-  [./from_file]
+  [from_file]
     type = 'Exodiff'
     input = 'nearest_point_layered_average.i'
     cli_args = "UserObjects/npla/points_file='points.txt'"
@@ -18,19 +18,19 @@
     design = 'NearestPointLayeredAverage.md'
     issues = '#12356'
     prereq = test
-  [../]
+  []
 
-  [./error_missing_point_spec]
+  [error_missing_point_spec]
     type = RunException
     input = 'nearest_point_layered_average.i'
     expect_err = "npla: You need to supply either 'points' or 'points_file' parameter\."
     prereq = test
     requirement = 'The system shall report an error when points are not specified in an input file nor an external file when computing nearest point layered averages'
     design = 'NearestPointLayeredAverage.md'
     issues = '#12356'
-  [../]
+  []
 
-  [./error_conflicting_point_spec]
+  [error_conflicting_point_spec]
     type = RunException
     input = 'nearest_point_layered_average.i'
     cli_args = "UserObjects/npla/points='0.25 0 0.25' UserObjects/npla/points_file='points.txt'"
@@ -39,9 +39,9 @@
     requirement = 'The system shall report an error when points are specified both in an input file and an external file when computing nearest point layered averages'
     design = 'NearestPointLayeredAverage.md'
     issues = '#12356'
-  [../]
+  []
 
-  [./error_not_enough_points_in_a_file]
+  [error_not_enough_points_in_a_file]
     type = RunException
     input = 'nearest_point_layered_average.i'
     cli_args = "UserObjects/npla/points_file='bad_points.txt'"
@@ -50,31 +50,32 @@
     requirement = 'The system shall report an error when there is not enough coordinates specified in an external file specifing the point for computing nearest point layered averages'
     design = 'NearestPointLayeredAverage.md'
     issues = '#12356'
-  [../]
+  []
 
-  [./nearest_radius]
+  [nearest_radius]
     type = 'Exodiff'
     input = 'nearest_radius_layered_average.i'
     exodiff = 'nearest_radius_layered_average_out.e'
     requirement = 'The system shall compute layered averages for concentric cylindrical rings with equal thickness for a list of points that correspond to the average radius of each ring'
     design = 'NearestRadiusLayeredAverage.md'
     issues = '#16829'
-  [../]
+  []
 
-  [./points_from_uo]
+  [points_from_uo]
     type = 'CSVDiff'
     input = 'points_from_uo.i'
     csvdiff = 'points_from_uo_out_spatial_from_uo_0002.csv'
     requirement = 'The system shall compute layered averages computed from the closest values for a list of points and output to a spatial vector postprocessor with one point per unique nearest point and layer'
     design = 'NearestPointLayeredAverage.md'
     issues = '#18931'
-  [../]
-  [./radius_points_from_uo]
+  []
+
+  [radius_points_from_uo]
     type = 'CSVDiff'
     input = 'radius_points_from_uo.i'
     csvdiff = 'radius_points_from_uo_out_spatial_from_uo_0002.csv'
     requirement = 'The system shall compute radial layered averages computed from the closest values for a list of points and output to a spatial vector postprocessor with one point per unique nearest point and layer'
     design = 'NearestRadiusLayeredAverage.md'
     issues = '#18931'
-  [../]
+  []
 []

test/tests/userobjects/nearest_point_layered_integral/tests

@@ -1,18 +1,19 @@
 [Tests]
-  [./from_file]
+  [from_file]
     type = 'Exodiff'
     input = 'nearest_point_layered_integral.i'
     exodiff = 'nearest_point_layered_integral_out.e'
     requirement = 'The system shall compute layered integrals that computed from the closest values for a list of points that are specified in an external file'
     design = 'NearestPointLayeredIntegral.md'
     issues = '#14717'
-  [../]
-  [./points_from_uo]
+  []
+
+  [points_from_uo]
     type = 'CSVDiff'
     input = 'points_from_uo.i'
     csvdiff = 'points_from_uo_out_spatial_from_uo_0002.csv'
     requirement = 'The system shall compute layered integrals computed from the closest values for a list of points and output to a spatial vector postprocessor with one point per unique nearest point and layer'
     design = 'NearestPointLayeredIntegral.md'
     issues = '#18931'
-  [../]
+  []
 []

test/tests/vectorpostprocessors/nearest_point_integral/tests

@@ -1,10 +1,10 @@
 [Tests]
-  [./points_from_uo]
+  [points_from_uo]
     type = 'CSVDiff'
     input = 'nearest_point_integral.i'
     csvdiff = 'nearest_point_integral_out_spatial_from_uo_0002.csv'
     requirement = 'The system shall compute integrals computed from the closest values for a list of points and output to a spatial vector postprocessor with one point per point'
     design = 'NearestPointIntegralVariablePostprocessor.md'
     issues = '#18931'
-  [../]
+  []
 []