ITS: test_param_flash_test.py disable chart scaling

bug: 165120527
Change-Id: I5dc310113d4eca4065714d96b2ca8674ebb1a48f
diff --git a/apps/CameraITS/tests/scene1_1/test_param_flash_mode.py b/apps/CameraITS/tests/scene1_1/test_param_flash_mode.py
index 6fede89..601b7fb 100644
--- a/apps/CameraITS/tests/scene1_1/test_param_flash_mode.py
+++ b/apps/CameraITS/tests/scene1_1/test_param_flash_mode.py
@@ -25,6 +25,7 @@
 import its_session_utils
 import target_exposure_utils
 
+CHART_DISTANCE_NO_SCALING = 100  # 1 meter to disable scaling
 FLASH_MODES = {'OFF': 0, 'SINGLE': 1, 'TORCH': 2}
 FLASH_STATES = {'UNAVAIL': 0, 'CHARGING': 1, 'READY': 2, 'FIRED': 3,
                 'PARTIAL': 4}
@@ -66,7 +67,7 @@
 
       # Load chart for scene
       its_session_utils.load_scene(
-          cam, props, self.scene, self.tablet, self.chart_distance)
+          cam, props, self.scene, self.tablet, CHART_DISTANCE_NO_SCALING)
 
       modes = []
       states = []