Inline template literals as arrow body (#1485)

Turns out I wrote the wrong one :(

Fixes #1465

src/printer.js

@@ -375,7 +375,7 @@ function genericPrintNoParens(path, options, print, args) {
         n.body.type === "JSXElement" ||
         n.body.type === "BlockStatement" ||
         n.body.type === "TaggedTemplateExpression" ||
-        n.body.type === "TemplateElement" ||
+        n.body.type === "TemplateLiteral" ||
         n.body.type === "ArrowFunctionExpression"
       ) {
         return group(collapsed);

tests/template/__snapshots__/jsfmt.spec.js.snap

@@ -1,5 +1,24 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`arrow.js 1`] = `
+() => a\`
+	a
+\`;
+
+() => \`
+	a
+\`;
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+() => a\`
+	a
+\`;
+
+() => \`
+	a
+\`;
+
+`;
+
 exports[`call.js 1`] = `
 insertRule(\`*, *:before, *:after {
   box-sizing: inherit;

tests/template/arrow.js

@@ -0,0 +1,7 @@
+() => a`
+	a
+`;
+
+() => `
+	a
+`;