Replace heka for fluentd

Change-Id: I6b4a3fb1dccc391f1039c3186ca7dbf57ce77578
diff --git a/tcp_tests/templates/virtual-mcp-sl-os/sl.yaml b/tcp_tests/templates/virtual-mcp-sl-os/sl.yaml
index 37a5bff..e5c1ab2 100644
--- a/tcp_tests/templates/virtual-mcp-sl-os/sl.yaml
+++ b/tcp_tests/templates/virtual-mcp-sl-os/sl.yaml
@@ -81,7 +81,7 @@
   skip_fail: false
 
 - description: Configure collector
-  cmd: salt -C 'I@heka:log_collector' state.sls heka.log_collector
+  cmd: salt -C 'I@fluentd:agent' state.sls fluentd
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 10}
   skip_fail: false