Fix specs after adding the principal_explicit flag

modules/resource_management/spec/models/resource_allocation_acts_as_journalized_spec.rb

@@ -80,7 +80,7 @@ RSpec.describe ResourceAllocation do
       end
 
       it "tracks filter_name changes" do
-        allocation.update!(filter_name: "Full stack Developer (DE-EN)")
+        allocation.update!(principal_explicit: false, filter_name: "Full stack Developer (DE-EN)")
 
         expect(allocation.last_journal.data.filter_name).to eq("Full stack Developer (DE-EN)")
         expect(allocation.last_journal.details).to include("filter_name" => [nil, "Full stack Developer (DE-EN)"])

modules/resource_management/spec/models/resource_allocation_spec.rb

@@ -32,6 +32,8 @@ require "spec_helper"
 
 RSpec.describe ResourceAllocation do
   describe "associations" do
+    subject { described_class.new(principal_explicit: false) }
+
     it { is_expected.to belong_to(:entity).required }
     it { is_expected.to belong_to(:principal).class_name("User").inverse_of(:resource_allocations).optional }
     it { is_expected.to belong_to(:requested_by).class_name("User").optional }

modules/resource_management/spec/services/principals/delete_job_integration_spec.rb

@@ -39,7 +39,9 @@ RSpec.describe Principals::DeleteJob, "ResourceAllocation", type: :model do
   context "with a resource allocation assigned to the principal" do
     let!(:allocation) { create(:resource_allocation, principal:) }
     let!(:other_allocation) { create(:resource_allocation, principal: create(:user)) }
-    let!(:unassigned_allocation) { create(:resource_allocation, principal: nil) }
+    let!(:unassigned_allocation) do
+      create(:resource_allocation, principal: nil, principal_explicit: false, filter_name: "Devs")
+    end
 
     it "rewrites the principal to the deleted user placeholder" do
       job