BUG: fix module dependencies

Modules/Learning/DimensionalityReductionLearning/otb-module.cmake

@@ -21,14 +21,16 @@
 set(DOCUMENTATION "Dimensionality reduction application")
 otb_module(OTBDimensionalityReductionLearning
   DEPENDS
-		OTBCommon
-		OTBApplicationEngine
-		OTBITK
-		OTBShark	
-		OTBBoost
-		OTBAppClassification
-		OTBSOM
-		OTBLearningBase
-        DESCRIPTION 
-	"${DOCUMENTATION}"
+    OTBCommon
+    OTBITK
+    OTBShark
+    OTBBoost
+    OTBSOM
+    OTBLearningBase
+
+  TEST_DEPENDS
+    OTBTestKernel
+
+  DESCRIPTION
+    "${DOCUMENTATION}"
 )