testing: Simplify some integration tests

resources/page/page_integration_test.go

@@ -20,7 +20,6 @@ import (
 )
 
 func TestGroupByLocalizedDate(t *testing.T) {
-
 	files := `
 -- config.toml --
 defaultContentLanguage = 'en'
@@ -72,7 +71,6 @@ date: "2020-02-01"
 }
 
 func TestPagesSortCollation(t *testing.T) {
-
 	files := `
 -- config.toml --
 defaultContentLanguage = 'en'
@@ -166,12 +164,7 @@ RelPermalink: {{ .RelPermalink }}
 
 `
 
-	b := hugolib.NewIntegrationTestBuilder(
-		hugolib.IntegrationTestConfig{
-			T:           t,
-			TxtarString: files,
-		}).Build()
+	b := hugolib.Test(t, files)
 
 	b.AssertFileContent("public/a/c/d/index.html", "RelPermalink: /a/c/d/")
-
 }

resources/resource_transformers/templates/templates_integration_test.go

@@ -59,11 +59,7 @@ LangURL: {{ relLangURL "foo" }}
 
 	`
 
-	b := hugolib.NewIntegrationTestBuilder(
-		hugolib.IntegrationTestConfig{
-			T:           t,
-			TxtarString: files,
-		}).Build()
+	b := hugolib.Test(t, files)
 
 	b.AssertFileContent("public/en/index.html", `
 		Hello1: Hello

resources/resources_integration_test.go

@@ -156,11 +156,7 @@ resize 2|RelPermalink: {{ $image.RelPermalink }}|MediaType: {{ $image.MediaType
 
 `
 
-	b := hugolib.NewIntegrationTestBuilder(
-		hugolib.IntegrationTestConfig{
-			T:           t,
-			TxtarString: files,
-		}).Build()
+	b := hugolib.Test(t, files)
 
 	b.AssertFileContent("public/index.html",
 		"jpg|RelPermalink: /images/pixel_hu8aa3346827e49d756ff4e630147c42b5_70_filter_17010532266664966692.jpg|MediaType: image/jpeg|Width: 1|Height: 1|",