add .formatter.exs + format

test/tracker_test.exs

@@ -5,24 +5,24 @@ defmodule TrackerTest do
 
   test "can start" do
     Tracker.set_total(@sample_modules)
-    assert Tracker.summarize == %{total: 2, current: 0, visited_modules: []}
+    assert Tracker.summarize() == %{total: 2, current: 0, visited_modules: []}
   end
 
   test "can be notified of completed koans" do
     Tracker.set_total(@sample_modules)
     Tracker.completed(SampleKoan, :"Hi there")
-    assert Tracker.summarize == %{total: 2, current: 1, visited_modules: [SampleKoan]}
+    assert Tracker.summarize() == %{total: 2, current: 1, visited_modules: [SampleKoan]}
   end
 
   test "multiple comletions of the same koan count only once" do
     Tracker.set_total(@sample_modules)
     Tracker.completed(SampleKoan, :"Hi there")
     Tracker.completed(SampleKoan, :"Hi there")
-    assert Tracker.summarize == %{total: 2, current: 1, visited_modules: [SampleKoan]}
+    assert Tracker.summarize() == %{total: 2, current: 1, visited_modules: [SampleKoan]}
   end
 
   test "knows when koans are not complete" do
     Tracker.set_total(@sample_modules)
-    refute Tracker.complete?
+    refute Tracker.complete?()
   end
 end