Add spec for option to clear classifications when calling tag_details

spec/lib/miq_expression_spec.rb

@@ -3340,6 +3340,27 @@
       actual = described_class.tag_details(nil, {})
       expect(actual).to eq([["My Company Tags : Environment", "managed-env"]])
     end
+
+    it "returns the tags when no path is given" do
+      Tenant.seed
+      FactoryGirl.create(
+          :classification,
+          :name        => "first_classification",
+          :description => "First Classification",
+          :children    => [FactoryGirl.create(:classification)]
+      )
+      actual = described_class.tag_details(nil, {})
+      expect(actual).to eq([["My Company Tags : First Classification", "managed-first_classification"]])
+
+      FactoryGirl.create(
+          :classification,
+          :name        => "second_classification",
+          :description => "Second Classification",
+          :children    => [FactoryGirl.create(:classification)]
+      )
+      actual = described_class.tag_details(nil, {:clear_classifications => true})
+      expect(actual).to eq([["My Company Tags : First Classification", "managed-first_classification"], ["My Company Tags : Second Classification", "managed-second_classification"]])
+    end
   end
 
   describe "miq_adv_search_lists" do