Added test case for Adapter

1. Removed config files from config folder.
2. Added test cases for the Adapter with code coverage of 91%.
3. Resolved linting issues.

config/bap.yaml

@@ -1,69 +0,0 @@
-appName: "bapAdapter"
-log:
-  level: debug
-  destinations:
-    - type: stdout
-  context_keys:
-    - transaction_id
-    - message_id
-http:
-  port: 8080
-  timeout:
-    read: 30
-    write: 30
-    idle: 30
-plugin:
-  root: /app/plugins
-  pluginZipPath: /mnt/gcs/plugins/plugins_bundle.zip
-  plugins:
-    - publisher  Src version raw comp zip
-    - nopschemavalidator
-    - router
-    - nopsigner
-    - nopsignvalidator
-    - reqpreprocessor
-    - gcpAuthMdw
-modules:
-  - name: reciever
-    type: transaction
-    path: /reciever
-    targetType: msgQ
-    plugin:
-      schemaValidator:
-        id: nopschemavalidator
-      signValidator:
-        id: nopsignvalidator
-      publisher:
-        id: publisher
-        config:
-          project: ondc-seller-dev
-          topic: bapNetworkReciever
-      router:
-        id: router
-        config:
-          routingConfigPath: /mnt/gcs/configs/bapRecieverRouting-config.yaml
-      preProcessors:
-        - id: reqpreprocessor
-      steps:
-    steps:
-      - addRoute
-        signValidate
-        -addRout
-        customValidate
-  - name: transactionCaller
-    path: /caller
-    targetType: "http"
-    plugin:
-      signer:
-        id: nopsigner
-      router:
-        id: router
-        config:
-          routingConfigPath: /mnt/gcs/configs/bapCallerRouting-config.yaml
-      preProcessors:
-        - id: reqpreprocessor
-      # postProcessors:
-      #   - id: gcpAuthMdw
-      #     config:
-      #       audience: https://bpp-adapter-903496459467.asia-southeast1.run.app
-      #       serviceAccount: 903496459467-compute@developer.gserviceaccount.com