Update dockerfile test to use client API

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

pkg/universe.dagger.io/docker/test/test.bats

@@ -5,5 +5,8 @@ setup() {
 }
 
 @test "docker" {
-    dagger "do" -p ./ test
+    dagger "do" -p ./build.cue test
+    dagger "do" -p ./dockerfile.cue test
+    dagger "do" -p ./run.cue test
+    dagger "do" -p ./image.cue test
 }