Added tests for `condenser_api_patterns/get_discussions_by_author_before_date`...

Added tests for `condenser_api_patterns/get_discussions_by_author_before_date` group + pattern's update for `/get_replies_by_last_update/no_results` test

hivemind/tavern/condenser_api_negative/get_replies_by_last_update/no_results.pat.json

+{
+  "code": -32602,
+  "data": "Post admin/non_existing_permlink does not exist",
+  "message": "Invalid parameters"
+}
\ No newline at end of file

hivemind/tavern/condenser_api_patterns/get_replies_by_last_update/no_results.tavern.yaml → hivemind/tavern/condenser_api_negative/get_replies_by_last_update/no_results.tavern.yaml

@@ -3,6 +3,7 @@
 
   marks:
     - patterntest
+    - negative
 
   includes:
     - !include ../../common.yaml
@@ -25,4 +26,5 @@
           function: validate_response:compare_response_with_pattern
           extra_kwargs:
             method: "no_results"
-            directory: "condenser_api_patterns/get_replies_by_last_update"
\ No newline at end of file
+            directory: "condenser_api_negative/get_replies_by_last_update"
+            error_response: true
\ No newline at end of file

hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date/good-karma.tavern.yaml

+---
+  test_name: Hivemind condenser_api.get_discussions_by_author_before_date patterns test
+
+  marks:
+    - patterntest # should return empty set - no posts before 2009 (to be investigated but works like original)
+
+  includes:
+    - !include ../../common.yaml
+
+  stages:
+    - name: get_discussions_by_author_before_date_no_results
+      request:
+        url: "{service.proto:s}://{service.server:s}:{service.port}/"
+        method: POST
+        headers:
+          content-type: application/json
+        json:
+          jsonrpc: "2.0"
+          id: 1
+          method: "condenser_api.get_discussions_by_author_before_date"
+          params: {"author":"good-karma","start_permlink":"good-karma-witness-thread","limit":10}
+      response:
+        status_code: 200
+        verify_response_with:
+          function: validate_response:compare_response_with_pattern
+          extra_kwargs:
+            method: "good-karma"
+            directory: "condenser_api_patterns/get_discussions_by_author_before_date"
\ No newline at end of file

hivemind/tavern/condenser_api_patterns/get_discussions_by_author_before_date/roadscape.tavern.yaml

+---
+  test_name: Hivemind condenser_api.get_discussions_by_author_before_date patterns test
+
+  marks:
+    - patterntest # should return empty set - no posts before 2009 (to be investigated but works like original)
+
+  includes:
+    - !include ../../common.yaml
+
+  stages:
+    - name: get_discussions_by_author_before_date_no_results
+      request:
+        url: "{service.proto:s}://{service.server:s}:{service.port}/"
+        method: POST
+        headers:
+          content-type: application/json
+        json:
+          jsonrpc: "2.0"
+          id: 1
+          method: "condenser_api.get_discussions_by_author_before_date"
+          params: {"author":"roadscape","start_permlink":"","limit":10}
+      response:
+        status_code: 200
+        verify_response_with:
+          function: validate_response:compare_response_with_pattern
+          extra_kwargs:
+            method: "roadscape"
+            directory: "condenser_api_patterns/get_discussions_by_author_before_date"
\ No newline at end of file

hivemind/tavern/condenser_api_patterns/get_replies_by_last_update/no_results.pat.json

-[]
\ No newline at end of file