Add integration tests for clustercheck

tests/integration/master-cluster/checks_clustercheck_spec.rb

@@ -0,0 +1,8 @@
+describe file('/etc/xinetd.d/mysql_clustercheck_9200') do
+    it('should exist')
+    its('content') { should match /clustercheck password clustercheck 1 1/ }
+end
+
+describe file('/usr/local/bin/mysql_clustercheck') do
+    it('should exist')
+end

tests/integration/slave-cluster/checks_clustercheck_spec.rb

@@ -0,0 +1,8 @@
+describe file('/etc/xinetd.d/mysql_clustercheck_9200') do
+    it('should exist')
+    its('content') { should match /clustercheck password clustercheck 1 1/ }
+end
+
+describe file('/usr/local/bin/mysql_clustercheck') do
+    it('should exist')
+end