Merge pull request #2386 from yahonda/address_ci_failure_against_oracle_23c

Address `OracleEnhancedAdapter schema definition add index should raise error if too large index name cannot be shortened` failure

Author: yahonda

spec/active_record/connection_adapters/oracle_enhanced/schema_statements_spec.rb

@@ -330,7 +330,7 @@ class ::TestEmployee < ActiveRecord::Base; end
     it "should raise error if too large index name cannot be shortened" do
       if @oracle12cr2_or_higher
         expect(@conn.index_name("test_employees", column: ["first_name", "middle_name", "last_name"])).to eq(
-          ("idx_on_first_name_middle_name_last_name_ee1d3958bc"))
+          ("index_test_employees_on_first_name_and_middle_name_and_last_name"))
       else
         expect(@conn.index_name("test_employees", column: ["first_name", "middle_name", "last_name"])).to eq(
           "i" + OpenSSL::Digest::SHA1.hexdigest("idx_on_first_name_middle_name_last_name_ee1d3958bc")[0, 29]