(cbast): Fix debit sign error.

tests/converters/cbast_v0/rules.json

@@ -0,0 +1,72 @@
+{
+  "cbast_v0": {
+    "rules": [
+      {
+        "record_fields": {
+          "target_account": "Account Fee"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "Account Fees",
+          "target_account": "Expenses:Fees"
+        },
+        "extended": false
+      },
+      {
+        "record_fields": {
+          "target_account": "Direct Debit 066228 ERGON"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "Ergon Energy",
+          "target_account": "Expenses:Electricity"
+        },
+        "extended": false
+      },
+      {
+        "record_fields": {
+          "target_account": "Direct Debit 062246 CommInsure"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "CommInsure",
+          "target_account": "Expenses:Insurance"
+        },
+        "extended": false
+      },
+      {
+        "record_fields": {
+          "target_account": "Transfer to xx3555 NetBank"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "Transfer",
+          "target_account": "Assets:3555"
+        },
+        "extended": false
+      },
+      {
+        "record_fields": {
+          "source_account": "Direct Credit 015895"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "Tenants",
+          "source_account": "Income:Tenants"
+        },
+        "extended": true
+      },
+      {
+        "record_fields": {
+          "source_account": "Direct Credit 011802 Col First State"
+        },
+        "transaction_fields": {
+          "flag": "*",
+          "payee": "Colonial First State",
+          "source_account": "Income:Trading"
+        },
+        "extended": true
+      }
+    ]
+  }
+}