correct cubocop formatting

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

bosh-dev/lib/bosh/dev/sandbox/database_migrator.rb

@@ -2,17 +2,17 @@
 
 module Bosh::Dev::Sandbox
   class DatabaseMigrator
-    def initialize(director_dir, director_config_path)
+    def initialize(director_dir, director_config_path, logger)
       @director_dir = director_dir
       @director_config_path = director_config_path
+      @logger = logger
     end
 
     def migrate
       Dir.chdir(@director_dir) do
         output = `bin/bosh-director-migrate -c #{@director_config_path}`
         unless $?.exitstatus == 0
-          puts "Failed to run migration:"
-          puts output
+          @logger.info("Failed to run migration: \n#{output}")
           exit 1
         end
       end

bosh-dev/lib/bosh/dev/sandbox/service.rb

@@ -28,15 +28,15 @@ def start
         Process.detach(@pid)
 
         tries = 0
-        while !running?
+        until running?
           tries += 1
           raise RuntimeError, "Cannot run #{@cmd_array} with #{env.inspect}" if tries > 20
           sleep(0.1)
         end
       end
     end
 
-    def stop(signal="TERM")
+    def stop(signal = 'TERM')
       return unless running?
 
       begin
@@ -61,12 +61,12 @@ def running?
       false
     end
 
-    def wait_for_process_to_exit_or_be_killed(remaining_attempts=30)
+    def wait_for_process_to_exit_or_be_killed(remaining_attempts = 30)
       # Actually just twiddle our thumbs here because wait() can hang forever...
       while running?
         remaining_attempts -= 1
         if remaining_attempts == 5
-          Process.kill("KILL", @pid)
+          Process.kill('KILL', @pid)
         elsif remaining_attempts == 0
           raise "KILL signal ignored by #{@cmd_array.first} with PID=#{@pid}"
         else

bosh-dev/lib/bosh/dev/sandbox/socket_connector.rb

@@ -8,7 +8,7 @@ def initialize(host, port, logger)
       @logger = logger
     end
 
-    def try_to_connect(remaining_attempts=20)
+    def try_to_connect(remaining_attempts = 20)
       remaining_attempts -= 1
       socket = Socket.new(Socket::Constants::AF_INET, Socket::Constants::SOCK_STREAM, 0)
       socket.connect(@addr)

spec/support/sandbox.rb

@@ -88,8 +88,11 @@ def initialize
           @logger,
         )
 
-        @postgresql = Bosh::Dev::Sandbox::Postgresql.new(sandbox_root, @name, @logger)
-        @database_migrator = Bosh::Dev::Sandbox::DatabaseMigrator.new(DIRECTOR_PATH, director_config)
+        @postgresql = Bosh::Dev::Sandbox::Postgresql.new(
+          sandbox_root, @name, @logger)
+
+        @database_migrator = Bosh::Dev::Sandbox::DatabaseMigrator.new(
+          DIRECTOR_PATH, director_config, @logger)
       end
 
       def agent_tmp_path