add controller tests

test/models/suggested_meaning_test.rb

@@ -6,7 +6,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
       entry: entries(:one),
       language_code: supported_languages(:one).code,
       alternative_translation: "New Translation",
-      submitted_by: users(:one)
+      submitted_by: users(:contributor_user)
     )
     assert meaning.valid?
   end
@@ -15,7 +15,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
     meaning = SuggestedMeaning.new(
       entry: entries(:one),
       alternative_translation: "New Translation",
-      submitted_by: users(:one)
+      submitted_by: users(:contributor_user)
     )
     assert_not meaning.valid?
   end
@@ -24,7 +24,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
     meaning = SuggestedMeaning.new(
       entry: entries(:one),
       language_code: supported_languages(:one).code,
-      submitted_by: users(:one)
+      submitted_by: users(:contributor_user)
     )
     assert_not meaning.valid?
   end
@@ -34,7 +34,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
       entry: entries(:one),
       language_code: supported_languages(:one).code,
       alternative_translation: "New Translation",
-      submitted_by: users(:one)
+      submitted_by: users(:contributor_user)
     )
     assert meaning.pending?
   end
@@ -44,7 +44,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
       entry: entries(:one),
       language_code: supported_languages(:one).code,
       alternative_translation: "New Translation",
-      submitted_by: users(:one),
+      submitted_by: users(:contributor_user),
       status: :accepted
     )
     assert meaning.accepted?
@@ -55,7 +55,7 @@ class SuggestedMeaningTest < ActiveSupport::TestCase
       entry: entries(:one),
       language_code: supported_languages(:one).code,
       alternative_translation: "New Translation",
-      submitted_by: users(:one),
+      submitted_by: users(:contributor_user),
       status: :rejected
     )
     assert meaning.rejected?