Allow referencing output from test run in local variables block (tofu test) (#1254)

Signed-off-by: siddharthasonker95 <158144589+siddharthasonker95@users.noreply.github.com>

internal/command/testdata/test/pass_with_local_variable/main.tf

@@ -0,0 +1,4 @@
+output "foo" {
+  description = "Output"
+  value = "bar"
+}