4 files changed, 13 insertions, 9 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/boolean_test.rb b/activerecord/test/cases/adapters/mysql2/boolean_test.rb
index 2fa39282fb..58698d59db 100644
--- a/activerecord/test/cases/adapters/mysql2/boolean_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/boolean_test.rb
@@ -38,7 +38,7 @@ class Mysql2BooleanTest < ActiveRecord::Mysql2TestCase
     assert_equal :string, string_column.type
   end
 
-  test "test type casting with emulated booleans" do
+  test "type casting with emulated booleans" do
     emulate_booleans true
 
     boolean = BooleanType.create!(archived: true, published: true)
@@ -55,7 +55,7 @@ class Mysql2BooleanTest < ActiveRecord::Mysql2TestCase
     assert_equal 0, @connection.type_cast(false)
   end
 
-  test "test type casting without emulated booleans" do
+  test "type casting without emulated booleans" do
     emulate_booleans false
 
     boolean = BooleanType.create!(archived: true, published: true)
diff --git a/activerecord/test/cases/cache_key_test.rb b/activerecord/test/cases/cache_key_test.rb
index bb2829b3c1..2c6a38ec35 100644
--- a/activerecord/test/cases/cache_key_test.rb
+++ b/activerecord/test/cases/cache_key_test.rb
@@ -15,7 +15,7 @@ module ActiveRecord
       @connection.drop_table :cache_mes, if_exists: true
     end
 
-    test "test_cache_key_format_is_not_too_precise" do
+    test "cache_key format is not too precise" do
       record = CacheMe.create
       key = record.cache_key
 
diff --git a/activerecord/test/cases/comment_test.rb b/activerecord/test/cases/comment_test.rb
index 63f67a9a16..c23be52a6c 100644
--- a/activerecord/test/cases/comment_test.rb
+++ b/activerecord/test/cases/comment_test.rb
@@ -72,9 +72,11 @@ if ActiveRecord::Base.connection.supports_comments?
     end
 
     def test_add_index_with_comment_later
-      @connection.add_index :commenteds, :obvious, name: "idx_obvious", comment: "We need to see obvious comments"
-      index = @connection.indexes("commenteds").find { |idef| idef.name == "idx_obvious" }
-      assert_equal "We need to see obvious comments", index.comment
+      unless current_adapter?(:OracleAdapter)
+        @connection.add_index :commenteds, :obvious, name: "idx_obvious", comment: "We need to see obvious comments"
+        index = @connection.indexes("commenteds").find { |idef| idef.name == "idx_obvious" }
+        assert_equal "We need to see obvious comments", index.comment
+      end
     end
 
     def test_add_comment_to_column
@@ -112,8 +114,10 @@ if ActiveRecord::Base.connection.supports_comments?
       assert_match %r[t\.string\s+"obvious"\n], output
       assert_match %r[t\.string\s+"content",\s+comment: "Whoa, content describes itself!"], output
       assert_match %r[t\.integer\s+"rating",\s+comment: "I am running out of imagination"], output
-      assert_match %r[t\.index\s+.+\s+comment: "\\\"Very important\\\" index that powers all the performance.\\nAnd it's fun!"], output
-      assert_match %r[t\.index\s+.+\s+name: "idx_obvious",\s+comment: "We need to see obvious comments"], output
+      unless current_adapter?(:OracleAdapter)
+        assert_match %r[t\.index\s+.+\s+comment: "\\\"Very important\\\" index that powers all the performance.\\nAnd it's fun!"], output
+        assert_match %r[t\.index\s+.+\s+name: "idx_obvious",\s+comment: "We need to see obvious comments"], output
+      end
     end
 
     def test_schema_dump_omits_blank_comments
diff --git a/activerecord/test/cases/relation/mutation_test.rb b/activerecord/test/cases/relation/mutation_test.rb
index 4f92f71a09..11ef0d8743 100644
--- a/activerecord/test/cases/relation/mutation_test.rb
+++ b/activerecord/test/cases/relation/mutation_test.rb
@@ -143,7 +143,7 @@ module ActiveRecord
       assert_equal({ foo: "bar" }, relation.create_with_value)
     end
 
-    test "test_merge!" do
+    test "merge!" do
       assert relation.merge!(select: :foo).equal?(relation)
       assert_equal [:foo], relation.select_values
     end