MOAR TESTS

- tests for load
- fixed a few typos in “copy” tests
- provisional tests for mount
- adding a “concurrency” test

Signed-off-by: dubo-dubon-duponey <dubodubonduponey+github@pm.me>

examples/tests/mounts/valid/component/main.cue

@@ -0,0 +1,33 @@
+package testing
+
+test: {
+	string
+
+	#dagger: {
+		compute: [
+			{
+				do: "load"
+				from: [{do: "fetch-container", ref: "alpine"}]
+			},
+			{
+				do: "exec"
+				args: ["sh", "-c", """
+					ls -lA /lol > /out
+				"""]
+				dir: "/"
+				mount: something: {
+					input: dagger: #compute: [{
+						do: "fetch-container"
+						ref: "alpine"
+					}]
+					path: "/lol"
+				}
+			},
+			{
+				do: "export"
+				source: "/out"
+				format: "string"
+			},
+		]
+	}
+}