Clear matchlist if skip fails in NextSpans

Change-Id: I4064b5e9cc5b6b0cb446697f76ceb2490d099cb1
diff --git a/pom.xml b/pom.xml
index d0f48e1..de649e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -237,6 +237,12 @@
       <artifactId>cobertura-maven-plugin</artifactId>
       <version>${cobertura.version}</version>
       <scope>test</scope>
+      <exclusions>
+      	<exclusion>
+      		<groupId>com.sun</groupId>
+      		<artifactId>tools</artifactId>
+      	</exclusion>
+      </exclusions>
     </dependency>
   </dependencies>