Fix typo in circleci config

pascalwengerter · web-flow · commit 60349e43690b · 2019-10-18T07:43:18.000+02:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -63,7 +63,7 @@ jobs:
             bundle exec rspec --format progress \
                             --out /tmp/test-results/rspec.xml \
                             --format progress \
-                            -- {$TEST_FILES}
+                            -- ${TEST_FILES}
 
       - run:
           name: Code Climate Test Coverage
