hugolib: Adjust tests for shortcode p-issue

See #1642

hugolib/shortcode_test.go

@@ -250,7 +250,7 @@ And then:
 This is **plain** text.
 
 {{< /inside >}}
-`, "<div><h1 id=\"more-here\">More Here</h1>\n\n<p><a href=\"http://spf13.com\">link</a> and text</p>\n</div>\n\n<p>And then:</p>\n\n<p><div>\n# More Here\n\nThis is **plain** text.\n\n</div>", wt)
+`, "<div><h1 id=\"more-here\">More Here</h1>\n\n<p><a href=\"http://spf13.com\">link</a> and text</p>\n</div>\n\n<p>And then:</p>\n\n<div>\n# More Here\n\nThis is **plain** text.\n\n</div>", wt)
 }
 
 func TestEmbeddedSC(t *testing.T) {
@@ -335,6 +335,20 @@ func TestFigureLinkWithTargetAndRel(t *testing.T) {
 	CheckShortCodeMatch(t, `{{< figure src="/found/here" link="/jump/here/on/clicking" target="_blank" rel="noopener" >}}`, "\n<figure>\n    <a href=\"/jump/here/on/clicking\" target=\"_blank\" rel=\"noopener\">\n        <img src=\"/found/here\" />\n    </a>\n    \n</figure>\n", nil)
 }
 
+// #1642
+func TestShortcodeWrappedInPIssue(t *testing.T) {
+	t.Parallel()
+	wt := func(tem tpl.TemplateHandler) error {
+		tem.AddTemplate("_internal/shortcodes/bug.html", `xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx`)
+		return nil
+	}
+	CheckShortCodeMatch(t, `
+{{< bug >}}
+
+{{< bug >}}
+`, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n\nxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", wt)
+}
+
 const testScPlaceholderRegexp = "HAHAHUGOSHORTCODE-\\d+HBHB"
 
 func TestExtractShortcodes(t *testing.T) {