Remove path based task lookup

Signed-off-by: Helder Correia <174525+helderco@users.noreply.github.com>

tests/plan/client/env/concrete.cue

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"dagger.io/dagger"
+)
+
+dagger.#Plan & {
+	client: env: TEST_FAIL: "env"
+
+	actions: {
+		image: dagger.#Pull & {
+			source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
+		}
+		test: dagger.#Exec & {
+			input: image.output
+			args: [client.env.TEST_FAIL]
+		}
+	}
+}