Add complex-transitive-deeper acceptance test (#2140)

Extension of complex-transitive test that shows an error instead of
simply failing to interpolate.

acceptance/bundle/variables/complex-transitive-deeper/databricks.yml

@@ -0,0 +1,22 @@
+bundle:
+  name: complex-transitive-deeper
+
+variables:
+  catalog_1:
+    default:
+      name: hive_metastore
+  catalog:
+    default: ${var.catalog_1}
+  spark_conf:
+    default:
+      "spark.databricks.sql.initial.catalog.name": ${var.catalog.name}
+  etl_cluster_config:
+    type: complex
+    default:
+      spark_version: 14.3.x-scala2.12
+      runtime_engine: PHOTON
+      spark_conf: ${var.spark_conf}
+
+resources:
+  clusters:
+    my_cluster: ${var.etl_cluster_config}

acceptance/bundle/variables/complex-transitive-deeper/output.txt

@@ -0,0 +1,7 @@
+Error: expected a map to index "variables.catalog.value.name", found string
+
+{
+  "my_cluster": "${var.etl_cluster_config}"
+}
+
+Exit code: 1

acceptance/bundle/variables/complex-transitive-deeper/script

@@ -0,0 +1,2 @@
+# Currently, this errors instead of interpolating variables
+$CLI bundle validate -o json | jq '.resources.clusters'