Pass BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1 to ghc_with_packages_test

Author: avdv

rules_haskell_tests/tests/ghcWithPackages_2097/BUILD.bazel

@@ -3,6 +3,9 @@ load("//tests/integration_testing:rules_haskell_integration_test.bzl", "rules_ha
 rules_haskell_integration_test(
     name = "ghc_with_packages_test",
     srcs = ["Test.hs"],
+    env = {
+        "BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN": "1",
+    },
     tags = ["requires_nix"],
     workspace_path = "test",
 )