fix: expose Api exception, detailed response and iam token modules

Author: mamoonraja

lib/ibm_watson.rb

@@ -1,7 +1,13 @@
 # frozen_string_literal: true
 
+require("ibm_cloud_sdk_core")
+
 # Module for the Watson APIs
 module IBMWatson
+  ApiException = IBMCloudSdkCore::ApiException
+  DetailedResponse = IBMCloudSdkCore::DetailedResponse
+  IAMTokenManager = IBMCloudSdkCore::IAMTokenManager
+
   require_relative("./ibm_watson/personality_insights_v3.rb")
   require_relative("./ibm_watson/tone_analyzer_v3.rb")
   require_relative("./ibm_watson/assistant_v1.rb")

test/integration/test_iam_assistant_v1.rb

@@ -706,7 +706,7 @@ def test_receive_error
       begin
         service.iam_apikey(iam_apikey: "bogus_api_key")
         service.list_workspaces
-      rescue IBMCloudSdkCore::ApiException => e
+      rescue IBMWatson::ApiException => e
         assert_equal("Provided API key could not be found", e.info["errorMessage"])
         error_received = true
       end

test/unit/test_assistant_v1.rb

@@ -101,7 +101,7 @@ def test_rate_limit_exceeded
         workspace_id: "boguswid",
         text: "I want financial advice today."
       )
-    rescue IBMCloudSdkCore::ApiException => e
+    rescue IBMWatson::ApiException => e
       assert_equal(error_code, e.code)
       assert_equal(error_msg, e.error)
       assert(e.to_s.instance_of?(String))
@@ -138,7 +138,7 @@ def test_unknown_error
         workspace_id: "boguswid",
         text: "I want financial advice today."
       )
-    rescue IBMCloudSdkCore::ApiException => e
+    rescue IBMWatson::ApiException => e
       assert_equal(error_code, e.code)
       assert_equal(error_msg, e.error)
     end

test/unit/test_tone_analyzer_v3.rb

@@ -135,7 +135,7 @@ def test_error
     )
     begin
       service.tone(tone_input: text, content_type: "application/json")
-    rescue IBMCloudSdkCore::ApiException => e
+    rescue IBMWatson::ApiException => e
       assert_equal(error_code, e.code)
       assert_equal(error_message, e.error)
       assert_equal("C00012", e.info["sub_code"])