Reset the state of StubENV's @env_already_stubbed after each spec run

In certain combination of tests, @env_already_stubbed could be set to `true` even though it never ran for that specific test.

Reset the state of StubENV's @env_already_stubbed after each spec run
1a47bd37 · Stan Hu · 47face01 · 1a47bd37
Commit 1a47bd37 authored Jun 23, 2017 by Stan Hu
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stub_env.rb spec/support/stub_env.rb +8 -0

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--- a/spec/support/stub_env.rb
+++ b/spec/support/stub_env.rb
@@ -5,3 +5,11 @@ module StubENV
    allow(ENV).to receive(:[]).with(key).and_return(value)
  end
 end
+
+# It's possible that the state of the class variables are not reset across
+# test runs.
+RSpec.configure do |config|
+  config.after(:each) do
+    @env_already_stubbed = nil
+  end
+end