for _, errorCode := range errorCodes {
					fakeClient.FakeHttpClient.DoRawHttpRequestInt = errorCode

					_, err := networkStorageService.HasAllowedVirtualGuest(123, 456)
					Expect(err).To(HaveOccurred())
				}
			})
		})
	})

	Context("#HasAllowedHardware", func() {
		It("hardware allows to access volume", func() {
			fakeClient.FakeHttpClient.DoRawHttpRequestResponse, err = testhelpers.ReadJsonTestFixtures("services", "SoftLayer_Network_Storage_Service_getAllowedHardware.json")
			Expect(err).ToNot(HaveOccurred())

			_, err := networkStorageService.HasAllowedHardware(123, 456)
			Expect(err).ToNot(HaveOccurred())
		})

		Context("when HTTP client returns error codes 40x or 50x", func() {
			It("fails for error code 40x", func() {
				errorCodes := []int{400, 401, 499}
				for _, errorCode := range errorCodes {
					fakeClient.FakeHttpClient.DoRawHttpRequestInt = errorCode

					_, err := networkStorageService.HasAllowedHardware(123, 456)
					Expect(err).To(HaveOccurred())
				}
			})

			It("fails for error code 50x", func() {