fix rubocop errors

Author: sheenaajay

spec/unit/puppet/provider/postgresql_conn_validator/ruby_spec.rb

@@ -30,13 +30,14 @@
 
   describe '#build_psql_cmd' do
     it 'contains expected commandline options' do
-      expect(provider.validator.build_psql_cmd).to eq(["/usr/bin/psql", "--tuples-only", "--quiet", "--no-psqlrc", "--host", "db.test.com", "--port", 4444, "--username", "testuser", "--command", "SELECT 1"])
+      expect(provider.validator.build_psql_cmd).to eq(['/usr/bin/psql', '--tuples-only', '--quiet', '--no-psqlrc', '--host', 'db.test.com', '--port', 4444, '--username', 'testuser', '--command',
+                                                       'SELECT 1'])
     end
   end
 
   describe 'connect_settings' do
     it 'returns array if password is present' do
-      expect(provider.validator.connect_settings).to eq({"PGPASSWORD"=>"testpass"})
+      expect(provider.validator.connect_settings).to eq({ 'PGPASSWORD' => 'testpass' })
     end
 
     it 'returns an empty array if password is nil' do
@@ -47,7 +48,7 @@
     it 'returns an array of settings' do
       attributes.delete(:db_password)
       attributes.merge! connect_settings
-      expect(provider.validator.connect_settings).to eq({:PGHOST=>"db.test.com", :PGPASSWORD=>"testpass", :PGPORT=>"1234"})
+      expect(provider.validator.connect_settings).to eq({ PGHOST: 'db.test.com', PGPASSWORD: 'testpass', PGPORT: '1234' })
     end
   end