CoffeeScript tests migration: Decaffeinate files

This is running decaffeinate, with no additional cleanup.

common/static/coffee/spec/jquery.immediateDescendents_spec.js

@@ -1,26 +1,38 @@
-describe "$.immediateDescendents", ->
-  beforeEach ->
-    setFixtures """
-      <div>
-        <div class='xblock' id='child'>
-          <div class='xblock' id='nested'/>
-        </div>
-        <div>
-          <div class='xblock' id='grandchild'/>
-        </div>
-      </div>
-      """
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
+ */
+describe("$.immediateDescendents", function() {
+  beforeEach(function() {
+    setFixtures(`\
+<div>
+  <div class='xblock' id='child'>
+    <div class='xblock' id='nested'/>
+  </div>
+  <div>
+    <div class='xblock' id='grandchild'/>
+  </div>
+</div>\
+`
+    );
 
-    @descendents = $('#jasmine-fixtures').immediateDescendents(".xblock").get()
+    return this.descendents = $('#jasmine-fixtures').immediateDescendents(".xblock").get();
+  });
 
-  it "finds non-immediate children", ->
-    expect(@descendents).toContain($('#grandchild').get(0))
+  it("finds non-immediate children", function() {
+    return expect(this.descendents).toContain($('#grandchild').get(0));
+  });
 
-  it "finds immediate children", ->
-    expect(@descendents).toContain($('#child').get(0))
+  it("finds immediate children", function() {
+    return expect(this.descendents).toContain($('#child').get(0));
+  });
 
-  it "skips nested descendents", ->
-    expect(@descendents).not.toContain($('#nested').get(0))
+  it("skips nested descendents", function() {
+    return expect(this.descendents).not.toContain($('#nested').get(0));
+  });
 
-  it "finds 2 children", ->
-    expect(@descendents.length).toBe(2)
+  return it("finds 2 children", function() {
+    return expect(this.descendents.length).toBe(2);
+  });
+});