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diff --git a/spec/support/taskable_shared_examples.rb b/spec/support/taskable_shared_examples.rb
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+++ b/spec/support/taskable_shared_examples.rb
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+# Specs for task state functionality for issues and merge requests.
+#
+# Requires a context containing:
+#   let(:subject) { Issue or MergeRequest }
+shared_examples 'a Taskable' do
+  before do
+    subject.description = <<EOT.gsub(/ {6}/, '')
+      * [ ] Task 1
+      * [x] Task 2
+      * [x] Task 3
+      * [ ] Task 4
+      * [ ] Task 5
+EOT
+  end
+
+  it 'updates the Nth task correctly' do
+    subject.update_nth_task(1, true)
+    expect(subject.description).to match(/\[x\] Task 1/)
+
+    subject.update_nth_task(2, true)
+    expect(subject.description).to match('\[x\] Task 2')
+
+    subject.update_nth_task(3, false)
+    expect(subject.description).to match('\[ \] Task 3')
+
+    subject.update_nth_task(4, false)
+    expect(subject.description).to match('\[ \] Task 4')
+  end
+
+  it 'returns the correct task status' do
+    expect(subject.task_status).to match('5 tasks')
+    expect(subject.task_status).to match('2 done')
+    expect(subject.task_status).to match('3 unfinished')
+  end
+
+  it 'knows if it has tasks' do
+    expect(subject.tasks?).to be_true
+
+    subject.description = 'Now I have no tasks'
+    expect(subject.tasks?).to be_false
+  end
+end