diff --git a/src/ui/public/jquery/__tests__/findTestSubject.js b/src/ui/public/jquery/__tests__/findTestSubject.js
new file mode 100644
index 000000000000..02c1ae874c62
--- /dev/null
+++ b/src/ui/public/jquery/__tests__/findTestSubject.js
@@ -0,0 +1,59 @@
+var $ = require('jquery');
+var expect = require('expect.js');
+
+function $make(subject) {
+  return $('<div>').attr('data-test-subj', subject);
+}
+
+describe('jQuery.findTestSubject', function () {
+  it('finds all of the element with a subject', function () {
+    var $container = $('<div>');
+    var $match = $make('subject').appendTo($container);
+    var $noMatch = $make('notSubject').appendTo($container);
+
+    var $found = $container.findTestSubject('subject');
+    expect($found.is($match)).to.be(true);
+    expect($found.is($noMatch)).to.be(false);
+  });
+
+  it('finds all of the elements with either "saveButton" or "cancelButton"', function () {
+    var $container = $('<div>');
+    var $match1 = $make('subject').appendTo($container);
+    var $match2 = $make('alsoSubject').appendTo($container);
+    var $noMatch = $make('notSubject').appendTo($container);
+
+    var $found = $container.findTestSubject('subject', 'alsoSubject');
+    expect($found.filter($match1).size()).to.be(1);
+    expect($found.filter($match2).size()).to.be(1);
+    expect($found.filter($noMatch).size()).to.be(0);
+  });
+
+  it('finds all of the elements with a decendant selector', function () {
+    var $container = $('<div>');
+    var $parent = $make('foo name').appendTo($container);
+    var $bar = $make('bar othername').appendTo($parent);
+    var $baz = $make('baz third name').appendTo($parent);
+
+    expect($container.findTestSubject('foo bar').is($bar)).to.be(true);
+    expect($container.findTestSubject('foo bar').is($baz)).to.be(false);
+
+    expect($container.findTestSubject('foo baz').is($bar)).to.be(false);
+    expect($container.findTestSubject('foo baz').is($baz)).to.be(true);
+  });
+
+  it('finds elements with compound subjects', function () {
+    var $container = $('<div>');
+    var $bar = $make('button bar').appendTo($container);
+    var $baz = $make('button baz').appendTo($container);
+
+    expect($container.findTestSubject('button&bar').is($bar)).to.be(true);
+    expect($container.findTestSubject('button& bar').is($bar)).to.be(true);
+    expect($container.findTestSubject('button & bar').is($bar)).to.be(true);
+    expect($container.findTestSubject('button &bar').is($bar)).to.be(true);
+
+    expect($container.findTestSubject('button&baz').is($baz)).to.be(true);
+    expect($container.findTestSubject('button& baz').is($baz)).to.be(true);
+    expect($container.findTestSubject('button & baz').is($baz)).to.be(true);
+    expect($container.findTestSubject('button &baz').is($baz)).to.be(true);
+  });
+});