Adding spec test to ensure that all the interfaces are the same, while doing so, fix the broken interfaces for delete on vmpooler and nonstandard pooler(they were passed 5 by service.rb but expected 4)

lib/vmfloaty/abs.rb

@@ -290,4 +290,16 @@ class ABS
     res = conn.get "host/#{hostname}"
     JSON.parse(res.body)
   end
+
+  def self.modify(_verbose, _url, _hostname, _token, _modify_hash)
+    raise NoMethodError, 'modify is not defined for ABS'
+  end
+
+  def self.disk(_verbose, _url, _hostname, _token, _disk)
+    raise NoMethodError, 'disk is not defined for ABS'
+  end
+
+  def self.revert(_verbose, _url, _hostname, _token, _snapshot_sha)
+    raise NoMethodError, 'revert is not defined for ABS'
+  end
 end

lib/vmfloaty/nonstandard_pooler.rb

@@ -77,7 +77,7 @@ class NonstandardPooler
     raise ModifyError, 'Configured service type does not support snapshots'
   end
 
-  def self.delete(verbose, url, hosts, token)
+  def self.delete(verbose, url, hosts, token, _user)
     raise TokenError, 'Token provided was nil; Request cannot be made to delete VM' if token.nil?
 
     conn = Http.get_conn(verbose, url)

lib/vmfloaty/pooler.rb

@@ -94,7 +94,7 @@ class Pooler
     res_body
   end
 
-  def self.delete(verbose, url, hosts, token)
+  def self.delete(verbose, url, hosts, token, _user)
     raise TokenError, 'Token provided was nil. Request cannot be made to delete vm' if token.nil?
 
     conn = Http.get_conn(verbose, url)