Fix on config files in test.

Tests/UnitTests/ReaderTests/Config/ImageReaderColorTransform_Config.cntk

@@ -30,9 +30,9 @@ ColorTransform_Test = [
             cropType=center
             sideRatio=1
             jitterType=UniRatio
-            brightnessRadius=0:0.2
-            contrastRadius=0:0.2
-            saturationRadius=0:0.4
+            brightnessRadius=0.2
+            contrastRadius=0.2
+            saturationRadius=0.4
             interpolations=linear
         ]
         labels=[

Tests/UnitTests/ReaderTests/Config/ImageReaderIntensityTransform_Config.cntk

@@ -32,7 +32,7 @@ IntensityTransform_Test = [
             jitterType=UniRatio
             interpolations=linear
             intensityFile="$RootDir$/ImageNet1K_intensity.xml"
-            intensityStdDev=0:0.1
+            intensityStdDev=0.1
         ]
         labels=[
             labelDim=4