Update pkg/installermedia/iso_test.go

Co-authored-by: Atanas Dinov <[email protected]>

Author: frelon

pkg/installermedia/iso_test.go

@@ -154,7 +154,7 @@ var _ = Describe("Install", Label("install"), func() {
 		Expect(err.Error()).To(ContainSubstring("xorriso command failed"))
 	})
 	It("customizes an ISO", func() {
-		Expect(vfs.MkdirAll(fs, "/some/dir/build", vfs.DirPerm))
+		Expect(vfs.MkdirAll(fs, "/some/dir/build", vfs.DirPerm)).To(Succeed())
 
 		// Create the file pointed out by -outdev when xorriso is called.
 		sideEffects["xorriso"] = func(args ...string) ([]byte, error) {