test(seed data completeness): clear schema cache in specs to avoid stale data

Clear ActiveRecord schema cache before fetching columns in seed data completeness specs to prevent stale data issues during parallel test runs.

Co-authored-by: terragon-labs[bot] <terragon-labs[bot]@users.noreply.github.com>

Author: stefan-burke

spec/seeds/assessment_seed_data_completeness_spec.rb

@@ -24,6 +24,8 @@
 
       # Get all columns from the database schema
       let(:db_columns) do
+        # Clear schema cache to avoid stale data in parallel test runs
+        ActiveRecord::Base.connection.schema_cache.clear!
         ActiveRecord::Base.connection.columns(table_name).map(&:name)
       end
 
@@ -98,6 +100,8 @@
   describe "inspection fields" do
     let(:seed_fields) { SeedData.inspection_fields(passed: true) }
     let(:db_columns) do
+      # Clear schema cache to avoid stale data in parallel test runs
+      ActiveRecord::Base.connection.schema_cache.clear!
       ActiveRecord::Base.connection.columns("inspections").map(&:name)
     end