TEST: change baseline and mask for KMeansClassification test

Input/qb_RoadExtract_mask_binary.png.aux.xml

+<PAMDataset>
+  <SRS>GEOGCS["WGS 84",
+    DATUM["WGS_1984",
+        SPHEROID["WGS 84",6378137,298.257223563,
+            AUTHORITY["EPSG","7030"]],
+        AUTHORITY["EPSG","6326"]],
+    PRIMEM["Greenwich",0],
+    UNIT["degree",0.0174532925199433],
+    AUTHORITY["EPSG","4326"]]</SRS>
+  <GeoTransform>  4.3913640000000002e+05,  5.9999999999999998e-01,  0.0000000000000000e+00,  5.2737065999999996e+06,  0.0000000000000000e+00, -5.9999999999999998e-01</GeoTransform>
+  <Metadata>
+    <MDI key="AREA_OR_POINT">Area</MDI>
+  </Metadata>
+</PAMDataset>