Move spec files back out of spec/javascripts

- Jasmine gem allows us to specify a path to jasmine.yml via ENV

[finish #58126010]

spec/core/matchers/toBeUndefinedSpec.js

@@ -0,0 +1,17 @@
+describe("toBeUndefined", function() {
+  it("passes for undefined values", function() {
+    var matcher = j$.matchers.toBeUndefined(),
+      result;
+
+    result = matcher.compare(void 0);
+    expect(result.pass).toBe(true);
+
+  });
+
+  it("fails when matching defined values", function() {
+    var matcher = j$.matchers.toBeUndefined();
+
+    result = matcher.compare('foo');
+    expect(result.pass).toBe(false);
+  })
+});