diff --git a/lib/iris/tests/results/analysis/max_latitude.data.0.json b/lib/iris/tests/results/analysis/max_latitude.data.0.json
index d9698a928c..5774626548 100644
--- a/lib/iris/tests/results/analysis/max_latitude.data.0.json
+++ b/lib/iris/tests/results/analysis/max_latitude.data.0.json
@@ -1 +1 @@
-{"std": 331.70321238027685, "min": 101864.0, "max": 102977.0, "shape": [10, 720], "masked": true, "mean": 102466.40277777778}
\ No newline at end of file
+{"std": 331.70321238027685, "min": 101864.0, "max": 102977.0, "shape": [10, 720], "masked": false, "mean": 102466.40277777778}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/max_latitude_longitude.data.0.json b/lib/iris/tests/results/analysis/max_latitude_longitude.data.0.json
index 5e9a638999..c3ca8ecf59 100644
--- a/lib/iris/tests/results/analysis/max_latitude_longitude.data.0.json
+++ b/lib/iris/tests/results/analysis/max_latitude_longitude.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 102977.0, "max": 102977.0, "shape": [10], "masked": true, "mean": 102977.0}
\ No newline at end of file
+{"std": 0.0, "min": 102977.0, "max": 102977.0, "shape": [10], "masked": false, "mean": 102977.0}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/max_latitude_longitude_1call.data.0.json b/lib/iris/tests/results/analysis/max_latitude_longitude_1call.data.0.json
index 5e9a638999..c3ca8ecf59 100644
--- a/lib/iris/tests/results/analysis/max_latitude_longitude_1call.data.0.json
+++ b/lib/iris/tests/results/analysis/max_latitude_longitude_1call.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 102977.0, "max": 102977.0, "shape": [10], "masked": true, "mean": 102977.0}
\ No newline at end of file
+{"std": 0.0, "min": 102977.0, "max": 102977.0, "shape": [10], "masked": false, "mean": 102977.0}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/mean_latitude.data.0.json b/lib/iris/tests/results/analysis/mean_latitude.data.0.json
index f6017416ee..bffdff6979 100644
--- a/lib/iris/tests/results/analysis/mean_latitude.data.0.json
+++ b/lib/iris/tests/results/analysis/mean_latitude.data.0.json
@@ -1 +1 @@
-{"std": 305.67198815976997, "min": 100885.3425925926, "max": 101990.07175925926, "shape": [10, 720], "masked": true, "mean": 101445.07356931583}
\ No newline at end of file
+{"std": 305.67198815976997, "min": 100885.3425925926, "max": 101990.07175925926, "shape": [10, 720], "masked": false, "mean": 101445.07356931583}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/mean_latitude_longitude.data.0.json b/lib/iris/tests/results/analysis/mean_latitude_longitude.data.0.json
index bab6eae4c3..987ed362c3 100644
--- a/lib/iris/tests/results/analysis/mean_latitude_longitude.data.0.json
+++ b/lib/iris/tests/results/analysis/mean_latitude_longitude.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 101445.07356931586, "max": 101445.07356931586, "shape": [10], "masked": true, "mean": 101445.07356931586}
\ No newline at end of file
+{"std": 0.0, "min": 101445.07356931586, "max": 101445.07356931586, "shape": [10], "masked": false, "mean": 101445.07356931586}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/mean_latitude_longitude_1call.data.0.json b/lib/iris/tests/results/analysis/mean_latitude_longitude_1call.data.0.json
index 66443fd131..008d011f5c 100644
--- a/lib/iris/tests/results/analysis/mean_latitude_longitude_1call.data.0.json
+++ b/lib/iris/tests/results/analysis/mean_latitude_longitude_1call.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 101445.07356931585, "max": 101445.07356931585, "shape": [10], "masked": true, "mean": 101445.07356931585}
\ No newline at end of file
+{"std": 0.0, "min": 101445.07356931585, "max": 101445.07356931585, "shape": [10], "masked": false, "mean": 101445.07356931585}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/median_latitude.data.0.json b/lib/iris/tests/results/analysis/median_latitude.data.0.json
index d04da6ef95..c0262df28d 100644
--- a/lib/iris/tests/results/analysis/median_latitude.data.0.json
+++ b/lib/iris/tests/results/analysis/median_latitude.data.0.json
@@ -1 +1 @@
-{"std": 247.17003116388435, "min": 101023.5, "max": 102126.0, "shape": [10, 720], "masked": true, "mean": 101629.08333333333}
\ No newline at end of file
+{"std": 247.17003116388435, "min": 101023.5, "max": 102126.0, "shape": [10, 720], "masked": false, "mean": 101629.08333333333}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/median_latitude_longitude.data.0.json b/lib/iris/tests/results/analysis/median_latitude_longitude.data.0.json
index 2d27048e94..02a76b608d 100644
--- a/lib/iris/tests/results/analysis/median_latitude_longitude.data.0.json
+++ b/lib/iris/tests/results/analysis/median_latitude_longitude.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 101658.25, "max": 101658.25, "shape": [10], "masked": true, "mean": 101658.25}
\ No newline at end of file
+{"std": 0.0, "min": 101658.25, "max": 101658.25, "shape": [10], "masked": false, "mean": 101658.25}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/median_latitude_longitude_1call.data.0.json b/lib/iris/tests/results/analysis/median_latitude_longitude_1call.data.0.json
index f257cb5a6a..f217bff025 100644
--- a/lib/iris/tests/results/analysis/median_latitude_longitude_1call.data.0.json
+++ b/lib/iris/tests/results/analysis/median_latitude_longitude_1call.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 101604.0, "max": 101604.0, "shape": [10], "masked": true, "mean": 101604.0}
\ No newline at end of file
+{"std": 0.0, "min": 101604.0, "max": 101604.0, "shape": [10], "masked": false, "mean": 101604.0}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/min_latitude.data.0.json b/lib/iris/tests/results/analysis/min_latitude.data.0.json
index 51a5656efe..b2f51e64b1 100644
--- a/lib/iris/tests/results/analysis/min_latitude.data.0.json
+++ b/lib/iris/tests/results/analysis/min_latitude.data.0.json
@@ -1 +1 @@
-{"std": 812.32687602393321, "min": 98385.0, "max": 101362.0, "shape": [10, 720], "masked": true, "mean": 99766.430555555562}
\ No newline at end of file
+{"std": 812.32687602393321, "min": 98385.0, "max": 101362.0, "shape": [10, 720], "masked": false, "mean": 99766.430555555562}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/min_latitude_longitude.data.0.json b/lib/iris/tests/results/analysis/min_latitude_longitude.data.0.json
index be45ae3906..ae0619a07a 100644
--- a/lib/iris/tests/results/analysis/min_latitude_longitude.data.0.json
+++ b/lib/iris/tests/results/analysis/min_latitude_longitude.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 98385.0, "max": 98385.0, "shape": [10], "masked": true, "mean": 98385.0}
\ No newline at end of file
+{"std": 0.0, "min": 98385.0, "max": 98385.0, "shape": [10], "masked": false, "mean": 98385.0}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/min_latitude_longitude_1call.data.0.json b/lib/iris/tests/results/analysis/min_latitude_longitude_1call.data.0.json
index be45ae3906..ae0619a07a 100644
--- a/lib/iris/tests/results/analysis/min_latitude_longitude_1call.data.0.json
+++ b/lib/iris/tests/results/analysis/min_latitude_longitude_1call.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 98385.0, "max": 98385.0, "shape": [10], "masked": true, "mean": 98385.0}
\ No newline at end of file
+{"std": 0.0, "min": 98385.0, "max": 98385.0, "shape": [10], "masked": false, "mean": 98385.0}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/regrid/linear_circular_srcmissingmask.data.0.json b/lib/iris/tests/results/analysis/regrid/linear_circular_srcmissingmask.data.0.json
index c84a1ac854..ae92ce9d13 100644
--- a/lib/iris/tests/results/analysis/regrid/linear_circular_srcmissingmask.data.0.json
+++ b/lib/iris/tests/results/analysis/regrid/linear_circular_srcmissingmask.data.0.json
@@ -1 +1 @@
-{"std": 2.588099748331198, "min": 254.64399719238281, "max": 261.7274169921875, "shape": [4, 4], "masked": true, "mean": 258.11480712890625}
\ No newline at end of file
+{"std": 2.588099748331198, "min": 254.64399719238281, "max": 261.7274169921875, "shape": [4, 4], "masked": false, "mean": 258.11480712890625}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/regrid/nearest_circular_srcmissingmask.data.0.json b/lib/iris/tests/results/analysis/regrid/nearest_circular_srcmissingmask.data.0.json
index dfccef151d..484b8b268c 100644
--- a/lib/iris/tests/results/analysis/regrid/nearest_circular_srcmissingmask.data.0.json
+++ b/lib/iris/tests/results/analysis/regrid/nearest_circular_srcmissingmask.data.0.json
@@ -1 +1 @@
-{"std": 0.0, "min": 254.64399719238281, "max": 254.64399719238281, "shape": [4, 4], "masked": true, "mean": 254.64399719238281}
\ No newline at end of file
+{"std": 0.0, "min": 254.64399719238281, "max": 254.64399719238281, "shape": [4, 4], "masked": false, "mean": 254.64399719238281}
\ No newline at end of file
diff --git a/lib/iris/tests/results/analysis/weighted_mean_lat.data.0.json b/lib/iris/tests/results/analysis/weighted_mean_lat.data.0.json
index 164a524b42..64501d6710 100644
--- a/lib/iris/tests/results/analysis/weighted_mean_lat.data.0.json
+++ b/lib/iris/tests/results/analysis/weighted_mean_lat.data.0.json
@@ -1 +1 @@
-{"std": 0.61282587616379602, "min": 3.0, "max": 4.5, "shape": [3], "masked": true, "mean": 3.7666667302449546}
\ No newline at end of file
+{"std": 0.61282587616379602, "min": 3.0, "max": 4.5, "shape": [3], "masked": false, "mean": 3.7666667302449546}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_longitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_longitude_dual_stage.data.0.json
index ab473d237f..f11ebfcb0e 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_longitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_longitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20155135161352, "min": 286.57607421875002, "max": 1326.6421875000001, "shape": [6, 70], "masked": true, "mean": 368.57896210007442}
\ No newline at end of file
+{"std": 183.20155135161352, "min": 286.57607421875002, "max": 1326.6421875000001, "shape": [6, 70], "masked": false, "mean": 368.57896210007442}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_longitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_longitude_single_stage.data.0.json
index 412750edee..a445b7223a 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_longitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_longitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20154787243786, "min": 286.5760498046875, "max": 1326.642333984375, "shape": [6, 70], "masked": true, "mean": 368.57894345238094}
\ No newline at end of file
+{"std": 183.20154787243786, "min": 286.5760498046875, "max": 1326.642333984375, "shape": [6, 70], "masked": false, "mean": 368.57894345238094}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_dual_stage.data.0.json
index ad71fdbfdb..832fb203ca 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.070972059805802012, "min": 368.37784598214284, "max": 368.75493861607146, "shape": [6, 100], "masked": true, "mean": 368.57896214657734}
\ No newline at end of file
+{"std": 0.070972059805802012, "min": 368.37784598214284, "max": 368.75493861607146, "shape": [6, 100], "masked": false, "mean": 368.57896214657734}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_single_stage.data.0.json
index 9191df68be..58a526eb58 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_model_level_number_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.070973517507074896, "min": 368.3778076171875, "max": 368.7548828125, "shape": [6, 100], "masked": true, "mean": 368.57895833333333}
\ No newline at end of file
+{"std": 0.070973517507074896, "min": 368.3778076171875, "max": 368.7548828125, "shape": [6, 100], "masked": false, "mean": 368.57895833333333}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_time_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_time_dual_stage.data.0.json
index 45b2b84210..5449d87a3a 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_time_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_time_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20140423648354, "min": 286.94415283203125, "max": 1326.8153483072917, "shape": [70, 100], "masked": true, "mean": 368.5789633527483}
\ No newline at end of file
+{"std": 183.20140423648354, "min": 286.94415283203125, "max": 1326.8153483072917, "shape": [70, 100], "masked": false, "mean": 368.5789633527483}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/latitude_time_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/latitude_time_single_stage.data.0.json
index 1aab8b15ab..e1b7a903cd 100644
--- a/lib/iris/tests/results/cube_collapsed/latitude_time_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/latitude_time_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20140361283885, "min": 286.94415283203125, "max": 1326.8154296875, "shape": [70, 100], "masked": true, "mean": 368.57896428571428}
\ No newline at end of file
+{"std": 183.20140361283885, "min": 286.94415283203125, "max": 1326.8154296875, "shape": [70, 100], "masked": false, "mean": 368.57896428571428}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_latitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_latitude_dual_stage.data.0.json
index 66fb367494..6e4a2b64d8 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_latitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_latitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20155278295425, "min": 286.5760546875, "max": 1326.6421875000001, "shape": [6, 70], "masked": true, "mean": 368.57896330915179}
\ No newline at end of file
+{"std": 183.20155278295425, "min": 286.5760546875, "max": 1326.6421875000001, "shape": [6, 70], "masked": false, "mean": 368.57896330915179}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_latitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_latitude_single_stage.data.0.json
index 412750edee..a445b7223a 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_latitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_latitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20154787243786, "min": 286.5760498046875, "max": 1326.642333984375, "shape": [6, 70], "masked": true, "mean": 368.57894345238094}
\ No newline at end of file
+{"std": 183.20154787243786, "min": 286.5760498046875, "max": 1326.642333984375, "shape": [6, 70], "masked": false, "mean": 368.57894345238094}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_dual_stage.data.0.json
index 2c5695846f..bb97090248 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.076507800752643393, "min": 368.36489955357143, "max": 368.74302455357144, "shape": [6, 100], "masked": true, "mean": 368.57896340215774}
\ No newline at end of file
+{"std": 0.076507800752643393, "min": 368.36489955357143, "max": 368.74302455357144, "shape": [6, 100], "masked": false, "mean": 368.57896340215774}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_single_stage.data.0.json
index 839b833658..30735c3d89 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_model_level_number_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.076507733018594218, "min": 368.36489868164062, "max": 368.7430419921875, "shape": [6, 100], "masked": true, "mean": 368.57895833333333}
\ No newline at end of file
+{"std": 0.076507733018594218, "min": 368.36489868164062, "max": 368.7430419921875, "shape": [6, 100], "masked": false, "mean": 368.57895833333333}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_time_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_time_dual_stage.data.0.json
index 62f2171d77..93f878ca6d 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_time_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_time_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20142290782221, "min": 287.06424967447919, "max": 1327.0152180989583, "shape": [70, 100], "masked": true, "mean": 368.57896332077746}
\ No newline at end of file
+{"std": 183.20142290782221, "min": 287.06424967447919, "max": 1327.0152180989583, "shape": [70, 100], "masked": false, "mean": 368.57896332077746}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/longitude_time_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/longitude_time_single_stage.data.0.json
index 83adfce54a..18229f33f6 100644
--- a/lib/iris/tests/results/cube_collapsed/longitude_time_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/longitude_time_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20142856585872, "min": 287.06423950195312, "max": 1327.0152587890625, "shape": [70, 100], "masked": true, "mean": 368.57896428571428}
\ No newline at end of file
+{"std": 183.20142856585872, "min": 287.06423950195312, "max": 1327.0152587890625, "shape": [70, 100], "masked": false, "mean": 368.57896428571428}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_dual_stage.data.0.json
index b3a6c3bc25..af4d75a782 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.070973870961262162, "min": 368.3778125, "max": 368.7548828125, "shape": [6, 100], "masked": true, "mean": 368.57896432291665}
\ No newline at end of file
+{"std": 0.070973870961262162, "min": 368.3778125, "max": 368.7548828125, "shape": [6, 100], "masked": false, "mean": 368.57896432291665}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_single_stage.data.0.json
index 9191df68be..58a526eb58 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_latitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.070973517507074896, "min": 368.3778076171875, "max": 368.7548828125, "shape": [6, 100], "masked": true, "mean": 368.57895833333333}
\ No newline at end of file
+{"std": 0.070973517507074896, "min": 368.3778076171875, "max": 368.7548828125, "shape": [6, 100], "masked": false, "mean": 368.57895833333333}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_dual_stage.data.0.json
index e6f86468ae..7f2966f46c 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.076508496136123455, "min": 368.36492187499999, "max": 368.743046875, "shape": [6, 100], "masked": true, "mean": 368.57896223958329}
\ No newline at end of file
+{"std": 0.076508496136123455, "min": 368.36492187499999, "max": 368.743046875, "shape": [6, 100], "masked": false, "mean": 368.57896223958329}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_single_stage.data.0.json
index 839b833658..30735c3d89 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_longitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.076507733018594218, "min": 368.36489868164062, "max": 368.7430419921875, "shape": [6, 100], "masked": true, "mean": 368.57895833333333}
\ No newline at end of file
+{"std": 0.076507733018594218, "min": 368.36489868164062, "max": 368.7430419921875, "shape": [6, 100], "masked": false, "mean": 368.57895833333333}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_time_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_time_dual_stage.data.0.json
index b41a83f3d7..f80cff4af1 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_time_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_time_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.1376022048268124, "min": 368.2593994140625, "max": 369.01175944010419, "shape": [100, 100], "masked": true, "mean": 368.57896353352874}
\ No newline at end of file
+{"std": 0.1376022048268124, "min": 368.2593994140625, "max": 369.01175944010419, "shape": [100, 100], "masked": false, "mean": 368.57896353352874}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/model_level_number_time_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/model_level_number_time_single_stage.data.0.json
index 5af0b688f9..c3f9dbb06a 100644
--- a/lib/iris/tests/results/cube_collapsed/model_level_number_time_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/model_level_number_time_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.13760229016549494, "min": 368.2593994140625, "max": 369.01174926757812, "shape": [100, 100], "masked": true, "mean": 368.57897500000001}
\ No newline at end of file
+{"std": 0.13760229016549494, "min": 368.2593994140625, "max": 369.01174926757812, "shape": [100, 100], "masked": false, "mean": 368.57897500000001}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_latitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_latitude_dual_stage.data.0.json
index a6109dbb88..0ed0e500a2 100644
--- a/lib/iris/tests/results/cube_collapsed/time_latitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_latitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20140556610502, "min": 286.94416015625001, "max": 1326.81546875, "shape": [70, 100], "masked": true, "mean": 368.57896378906258}
\ No newline at end of file
+{"std": 183.20140556610502, "min": 286.94416015625001, "max": 1326.81546875, "shape": [70, 100], "masked": false, "mean": 368.57896378906258}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_latitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_latitude_single_stage.data.0.json
index 1aab8b15ab..e1b7a903cd 100644
--- a/lib/iris/tests/results/cube_collapsed/time_latitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_latitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20140361283885, "min": 286.94415283203125, "max": 1326.8154296875, "shape": [70, 100], "masked": true, "mean": 368.57896428571428}
\ No newline at end of file
+{"std": 183.20140361283885, "min": 286.94415283203125, "max": 1326.8154296875, "shape": [70, 100], "masked": false, "mean": 368.57896428571428}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_longitude_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_longitude_dual_stage.data.0.json
index fb1045cc73..efbcabc89d 100644
--- a/lib/iris/tests/results/cube_collapsed/time_longitude_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_longitude_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20142267719854, "min": 287.06423828125003, "max": 1327.0153124999999, "shape": [70, 100], "masked": true, "mean": 368.57896318080356}
\ No newline at end of file
+{"std": 183.20142267719854, "min": 287.06423828125003, "max": 1327.0153124999999, "shape": [70, 100], "masked": false, "mean": 368.57896318080356}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_longitude_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_longitude_single_stage.data.0.json
index 83adfce54a..18229f33f6 100644
--- a/lib/iris/tests/results/cube_collapsed/time_longitude_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_longitude_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 183.20142856585872, "min": 287.06423950195312, "max": 1327.0152587890625, "shape": [70, 100], "masked": true, "mean": 368.57896428571428}
\ No newline at end of file
+{"std": 183.20142856585872, "min": 287.06423950195312, "max": 1327.0152587890625, "shape": [70, 100], "masked": false, "mean": 368.57896428571428}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_model_level_number_dual_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_model_level_number_dual_stage.data.0.json
index edfac448f5..6e807b0359 100644
--- a/lib/iris/tests/results/cube_collapsed/time_model_level_number_dual_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_model_level_number_dual_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.13760184846046464, "min": 368.25937499999998, "max": 369.01171875, "shape": [100, 100], "masked": true, "mean": 368.5789632645089}
\ No newline at end of file
+{"std": 0.13760184846046464, "min": 368.25937499999998, "max": 369.01171875, "shape": [100, 100], "masked": false, "mean": 368.5789632645089}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/time_model_level_number_single_stage.data.0.json b/lib/iris/tests/results/cube_collapsed/time_model_level_number_single_stage.data.0.json
index 5af0b688f9..c3f9dbb06a 100644
--- a/lib/iris/tests/results/cube_collapsed/time_model_level_number_single_stage.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/time_model_level_number_single_stage.data.0.json
@@ -1 +1 @@
-{"std": 0.13760229016549494, "min": 368.2593994140625, "max": 369.01174926757812, "shape": [100, 100], "masked": true, "mean": 368.57897500000001}
\ No newline at end of file
+{"std": 0.13760229016549494, "min": 368.2593994140625, "max": 369.01174926757812, "shape": [100, 100], "masked": false, "mean": 368.57897500000001}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/triple_collapse_lat_ml_pt.data.0.json b/lib/iris/tests/results/cube_collapsed/triple_collapse_lat_ml_pt.data.0.json
index 37b188d743..feae7837db 100644
--- a/lib/iris/tests/results/cube_collapsed/triple_collapse_lat_ml_pt.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/triple_collapse_lat_ml_pt.data.0.json
@@ -1 +1 @@
-{"std": 0.048989868829430488, "min": 368.46124267578125, "max": 368.68606567382812, "shape": [100], "masked": true, "mean": 368.57249999999999}
\ No newline at end of file
+{"std": 0.048989868829430488, "min": 368.46124267578125, "max": 368.68606567382812, "shape": [100], "masked": false, "mean": 368.57249999999999}
\ No newline at end of file
diff --git a/lib/iris/tests/results/cube_collapsed/triple_collapse_ml_pt_lon.data.0.json b/lib/iris/tests/results/cube_collapsed/triple_collapse_ml_pt_lon.data.0.json
index d44be9ceff..1ce4d3cfbd 100644
--- a/lib/iris/tests/results/cube_collapsed/triple_collapse_ml_pt_lon.data.0.json
+++ b/lib/iris/tests/results/cube_collapsed/triple_collapse_ml_pt_lon.data.0.json
@@ -1 +1 @@
-{"std": 0.059104604901192966, "min": 368.43679809570312, "max": 368.67816162109375, "shape": [100], "masked": true, "mean": 368.57890624999999}
\ No newline at end of file
+{"std": 0.059104604901192966, "min": 368.43679809570312, "max": 368.67816162109375, "shape": [100], "masked": false, "mean": 368.57890624999999}
\ No newline at end of file