Make test suite Ruby 2.7 compatible

Author: marcoroth

test/turbo_power/stream_helper/push_state_test.rb

@@ -20,7 +20,7 @@ class PushStateTest < StreamHelperTestCase
       test "push_state with title and state" do
         stream = %(<turbo-stream action="push_state" url="/users/1" title="User 1" state="{&quot;user&quot;:1}"><template></template></turbo-stream>)
 
-        assert_dom_equal stream, turbo_stream.push_state("/users/1", "User 1", { user: 1 })
+        assert_dom_equal stream, turbo_stream.push_state("/users/1", "User 1", { user: 1 }, **{})
       end
 
       test "push_state with url kwarg" do

test/turbo_power/stream_helper/replace_state_test.rb

@@ -20,7 +20,7 @@ class ReplaceStateTest < StreamHelperTestCase
       test "replace_state with title and state" do
         stream = %(<turbo-stream action="replace_state" url="/users/1" title="User 1" state="{&quot;user&quot;:1}"><template></template></turbo-stream>)
 
-        assert_dom_equal stream, turbo_stream.replace_state("/users/1", "User 1", { user: 1 })
+        assert_dom_equal stream, turbo_stream.replace_state("/users/1", "User 1", { user: 1 }, **{})
       end
 
       test "replace_state with url kwarg" do

test/turbo_power/stream_helper/set_styles_test.rb

@@ -50,7 +50,7 @@ class SetStylesTest < StreamHelperTestCase
       test "set_styles with styles as hash" do
         stream = %(<turbo-stream targets="#element" action="set_styles" styles="background: black; color: white"><template></template></turbo-stream>)
 
-        assert_dom_equal stream, turbo_stream.set_styles("#element", { background: "black", color: "white" })
+        assert_dom_equal stream, turbo_stream.set_styles("#element", { background: "black", color: "white" }, **{})
       end
 
       test "set_styles with styles as hash and kwarg" do