Fixed build

Author: Prakriti-nith

spec/adapters/googlecharts/base_chart_spec.rb

@@ -20,7 +20,7 @@
             ]
     @area_chart = Daru::View::Plot.new(
       @data,
-      {type: :area, width: 800, view: {'columns': [0, 1]}},
+      {type: :area, width: 800, view: {columns: [0, 1]}},
       class_chart: 'ChartWrapper'
     )
     @area_chart_spreadsheet = Daru::View::Plot.new(

spec/adapters/googlecharts/data_table_iruby_spec.rb

@@ -20,7 +20,7 @@
   let(:data_table) {Daru::View::Table.new(data)}
   let (:table_spreadsheet_chartwrapper) {
     Daru::View::Table.new(
-      data_spreadsheet, {width: 800, view: {'columns': [0, 1]}}, class_chart: 'ChartWrapper'
+      data_spreadsheet, {width: 800, view: {columns: [0, 1]}}, class_chart: 'ChartWrapper'
     )
   }
   let(:table_chartwrapper) {Daru::View::Table.new(data, {}, class_chart: 'ChartWrapper')}