Add test on op.#FetchGit for private repository

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

stdlib/dagger/op/tests/fetch-git/fetch-git.cue

@@ -0,0 +1,22 @@
+package op
+
+import (
+	"alpha.dagger.io/os"
+	"alpha.dagger.io/dagger"
+	"alpha.dagger.io/dagger/op"
+)
+
+// Github PAT
+TestPAT: dagger.#Input & {dagger.#Secret}
+
+TestRepo: #up: [op.#FetchGit & {
+	remote:          "https://github.com/dagger/dagger.git"
+	ref:             "main"
+	authTokenSecret: TestPAT
+}]
+
+TestContent: os.#Container & {
+	always:  true
+	command: "ls -l /input/repo | grep 'universe -> stdlib'"
+	mount: "/input/repo": from: TestRepo
+}