add form tests alongside function tests

test/form/no-imports-or-exports/_config.js

@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'single module, no imports or exports'
+};

test/form/no-imports-or-exports/_expected/amd.js

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+define(function () { 'use strict';
+
+	console.log( 'this is it' );
+
+});

test/form/no-imports-or-exports/_expected/cjs.js

@@ -0,0 +1,3 @@
+'use strict';
+
+console.log( 'this is it' );

test/form/no-imports-or-exports/_expected/es6.js

@@ -0,0 +1 @@
+console.log( 'this is it' );

test/form/no-imports-or-exports/_expected/umd.js

@@ -0,0 +1,9 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
+	typeof define === 'function' && define.amd ? define(factory) :
+	factory();
+}(this, function () { 'use strict';
+
+	console.log( 'this is it' );
+
+}));

test/form/no-imports-or-exports/main.js

@@ -0,0 +1 @@
+console.log( 'this is it' );