In the TomcatTest example comments about inject methods are now
misleading and need to be swapped. Also there's wrong name of test
method. This patch fixes it.
See also Iaa7f296563a0f91c6dbe52be09c17a070c963fc6
for the same fix in murano-apps.
Change-Id: I0c95a153e6580ffc4a3fdb6ba67d3432397c6a85