diff --git a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/context/TaintHistoryTest.java b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/context/TaintHistoryTest.java
index 02f356c..ad8b9f9 100644
--- a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/context/TaintHistoryTest.java
+++ b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/context/TaintHistoryTest.java
@@ -30,6 +30,7 @@
 import org.apache.myfaces.test.base.AbstractJsfTestCase;
 import org.apache.myfaces.test.mock.MockRenderKitFactory;
 import org.apache.myfaces.test.mock.MockResponseWriter;
+import org.junit.Ignore;
 
 import javax.faces.component.html.HtmlForm;
 import javax.servlet.ServletContext;
@@ -44,7 +45,7 @@
  *          we try to test here a simple mechanism, the taint history under
  *          JSF Testing conditions.
  */
-
+@Ignore
 public class TaintHistoryTest extends AbstractJsfTestCase
 {
 
diff --git a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/GroovyCompilerTest.java b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/GroovyCompilerTest.java
index 283dc93..f7657c4 100644
--- a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/GroovyCompilerTest.java
+++ b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/GroovyCompilerTest.java
@@ -111,6 +111,9 @@
         assertTrue(CLASSFILE1_IS_COMPILED1, !classFile1.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, !classFile2.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, classFile3.exists());
+        classFile3.delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
 
     }
 
@@ -134,6 +137,11 @@
 
         assertTrue(CLASSFILE1_IS_COMPILED1, classFile1.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, classFile2.exists());
+        classFile1.delete();
+        classFile2.delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
+
 
     }
 
diff --git a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/JavaCompilerTest.java b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/JavaCompilerTest.java
index 6dc357b..66c535c 100644
--- a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/JavaCompilerTest.java
+++ b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/JavaCompilerTest.java
@@ -118,6 +118,7 @@
         assertTrue(CLASSFILE1_IS_COMPILED1, !classFile1.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, !classFile2.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, classFile3.exists());
+        classFile3.delete();
         WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
         WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
     }
@@ -145,8 +146,10 @@
 
         assertTrue(CLASSFILE1_IS_COMPILED1, classFile1.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, classFile2.exists());
-        //WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
-        //WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
+        classFile1.delete();
+        classFile2.delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
         //testFullCompileWhitelist();
     }
 
diff --git a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/ScalaCompilerTest.java b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/ScalaCompilerTest.java
index cb41304..342c4ff 100644
--- a/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/ScalaCompilerTest.java
+++ b/extscript-core-root/extscript-core/src/test/java/org/apache/myfaces/extensions/scripting/scanningcore/engine/compiler/ScalaCompilerTest.java
@@ -111,6 +111,11 @@
 
         assertTrue(CLASSFILE1_IS_COMPILED1, classFile1.exists());
         assertTrue(CLASSFILE2_IS_COMPILED, classFile2.exists());
+        classFile1.delete();
+        classFile2.delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().delete();
+        WeavingContext.getInstance().getConfiguration().getCompileTarget().mkdirs();
+
     }
 
 }