Change api key error message for when rubygem cannot be found from it…

…s name

app/models/api_key.rb

@@ -45,7 +45,7 @@ def rubygem_id=(id)
   def rubygem_name=(name)
     self.rubygem_id = name.blank? ? nil : Rubygem.find_by_name!(name).id
   rescue ActiveRecord::RecordNotFound
-    errors.add :rubygem, "that is selected cannot be scoped to this key"
+    errors.add :rubygem, "could not be found"
   end
 
   def soft_delete!(ownership: nil)

test/functional/api/v1/api_keys_controller_test.rb

@@ -368,7 +368,7 @@ def self.should_expect_otp_for_update
           should respond_with :unprocessable_entity
 
           should "respond with an error" do
-            assert_equal "Rubygem that is selected cannot be scoped to this key", response.body
+            assert_equal "Rubygem could not be found", response.body
           end
         end
       end

test/models/api_key_test.rb

@@ -126,7 +126,7 @@ class ApiKeyTest < ActiveSupport::TestCase
 
       should "add error when name is not a valid gem name" do
         api_key = ApiKey.new(hashed_key: SecureRandom.hex(24), push_rubygem: true, user: @ownership.user, rubygem_name: "invalid-gem-name")
-        assert_contains api_key.errors[:rubygem], "that is selected cannot be scoped to this key"
+        assert_contains api_key.errors[:rubygem], "could not be found"
       end
     end
   end