fixup! Add test for code_block filter

Author: atm-snag2

spec/qiita/markdown/filters/code_block_spec.rb

@@ -57,7 +57,7 @@
           HTML
         end
 
-        it "adds lang on pre " do
+        it "adds lang on pre" do
           expect(filter.call.to_s).to eq(output_html)
         end
 
@@ -76,7 +76,7 @@
             HTML
           end
 
-          it "adds lang and filename on pre " do
+          it "adds lang and filename on pre" do
             expect(filter.call.to_s).to eq(output_html)
           end
         end
@@ -97,7 +97,7 @@
           HTML
         end
 
-        it "adds lang and filename on pre " do
+        it "adds lang and filename on pre" do
           expect(filter.call.to_s).to eq(output_html)
         end
       end
@@ -117,7 +117,7 @@
           HTML
         end
 
-        it "adds lang and filename on pre " do
+        it "adds lang and filename on pre" do
           expect(filter.call.to_s).to eq(output_html)
         end
       end