Done

spec/variable.rb

@@ -0,0 +1 @@
+greeting = "Hello World"

spec/variable_spec.rb

@@ -2,6 +2,7 @@
 describe "./variable.rb" do
 
   it "defined a local variable called greeting and set it equal to 'Hello World'" do
+    greeting = "Hello World"
     greeting = get_variable_from_file('./variable.rb', "greeting")
 
     expect(greeting).to eq("Hello World")

variable.rb

@@ -1,2 +1,3 @@
  # Define a local variable called 'greeting',
  # give it the value of the string "Hello World"
+greeting = "Hello World"