remove unused test helper

Signed-off-by: Tom Chauveau <tom.chauveau@epitech.eu>

examples/docker/main.cue

@@ -9,6 +9,6 @@ import (
 source: dagger.#Artifact
 
 // Container image
-container: docker.#Build & {
+image: docker.#Build & {
 	"source": source
 }

tests/helpers.bash

@@ -19,11 +19,6 @@ skip_unless_secrets_available() {
     sops exec-file "$inputFile" echo  > /dev/null 2>&1 || skip "$inputFile cannot be decrypted"
 }
 
-skip_unless_file_exist() {
-    local inputFile="$1"
-    test -f "$inputFile" || skip "$inputFile does not exist"
-}
-
 skip_unless_local_kube() {
     if [ -f ~/.kube/config ] && grep -q "user: kind-kind" ~/.kube/config &> /dev/null && grep -q "127.0.0.1" ~/.kube/config &> /dev/null; then
         echo "Kubernetes available"

tests/stdlib.bats

@@ -61,8 +61,6 @@ setup() {
 }
 
 @test "stdlib: docker-build" {
-    skip_unless_file_exist "$TESTDIR"/stdlib/docker/build/Dockerfile
-
     "$DAGGER" compute "$TESTDIR"/stdlib/docker/build/ --input-dir source="$TESTDIR"/stdlib/docker/build
 }