updated human_spec empty result from plan test

Author: alex501212

spec/unit/outputter/human_spec.rb

@@ -273,7 +273,7 @@
 
   it "prints empty results from a plan" do
     outputter.print_plan_result(Bolt::PlanResult.new([], 'success'))
-    expect(output.string).to eq("[\n\n]\n")
+    expect(output.string).to eq("[]\n")
   end
 
   it "formats unwrapped ExecutionResult from a plan" do