Test get_services(). Need to fix/update other tests.

lib/Percona/WebAPI/Resource/Service.pm

@@ -59,6 +59,13 @@ has 'meta' => (
    default  => sub { return 0 },
 );
 
+has 'run_once' => (
+   is       => 'ro',
+   isa      => 'Bool',
+   required => 0,
+   default  => sub { return 0 },
+);
+
 has 'links' => (
    is       => 'rw',
    isa      => 'Maybe[HashRef]',

lib/Percona/WebAPI/Resource/Task.pm

@@ -40,12 +40,6 @@ has 'program' => (
    required => 0,
 );
 
-has 'options' => (
-   is       => 'ro',
-   isa      => 'Maybe[Str]',
-   required => 0,
-);
-
 has 'query' => (
    is       => 'ro',
    isa      => 'Maybe[Str]',