Improve test consistency.

Author: samuel-williams-shopify

test/protocol/http/header/accept.rb

@@ -98,8 +98,14 @@
 		end
 	end
 
-	with "backward compatibility" do
-		it "can initialize with string" do
+	with ".new" do
+		it "preserves values when given array" do
+			header = subject.new(["text/html", "application/json"])
+			expect(header).to be(:include?, "text/html")
+			expect(header).to be(:include?, "application/json")
+		end
+		
+		it "can initialize with string (backward compatibility)" do
 			header = subject.new("text/plain, text/html")
 			expect(header).to be(:include?, "text/plain")
 			expect(header).to be(:include?, "text/html")

test/protocol/http/header/trailer.rb

@@ -74,8 +74,14 @@
 		end
 	end
 
-	with "backward compatibility" do
-		it "can initialize with string for backward compatibility" do
+	with ".new" do
+		it "preserves values when given array" do
+			header = subject.new(["etag", "content-md5"])
+			expect(header).to be(:include?, "etag")
+			expect(header).to be(:include?, "content-md5")
+		end
+		
+		it "can initialize with string (backward compatibility)" do
 			header = subject.new("etag, content-md5")
 			expect(header).to be(:include?, "etag")
 			expect(header).to be(:include?, "content-md5")