refactored dummy infrastructure tests

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
add wardenInfrastructure

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
refactoring inf provider tests

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>
added warden infrastructure to inf provider

Signed-off-by: dmitriy kalinin <dmitriy@pivotallabs.com>