Add test for https://github.com/icy-arctic-fox/spectator/issues/33

spec/issues/github_issue_33_spec.cr

@@ -0,0 +1,26 @@
+require "../spec_helper"
+
+Spectator.describe "GitHub Issue #33" do
+  class Test
+    def method2
+    end
+
+    def method1
+      method2
+    end
+  end
+
+  mock Test do
+    stub method2
+  end
+
+  describe Test do
+    describe "#method1" do
+      it do
+        expect(subject).to receive(:method2)
+
+        subject.method1
+      end
+    end
+  end
+end