Rename j$ to jasmineUnderTest for specs

- Clarifies what it is for when writing tests
- No longer named the same as the `jasmine` that is injected into live
  code

spec/core/UtilSpec.js

@@ -1,28 +1,28 @@
-describe("j$.util", function() {
+describe("jasmineUnderTest.util", function() {
   describe("isArray_", function() {
     it("should return true if the argument is an array", function() {
-      expect(j$.isArray_([])).toBe(true);
-      expect(j$.isArray_(['a'])).toBe(true);
+      expect(jasmineUnderTest.isArray_([])).toBe(true);
+      expect(jasmineUnderTest.isArray_(['a'])).toBe(true);
     });
 
     it("should return false if the argument is not an array", function() {
-      expect(j$.isArray_(undefined)).toBe(false);
-      expect(j$.isArray_({})).toBe(false);
-      expect(j$.isArray_(function() {})).toBe(false);
-      expect(j$.isArray_('foo')).toBe(false);
-      expect(j$.isArray_(5)).toBe(false);
-      expect(j$.isArray_(null)).toBe(false);
+      expect(jasmineUnderTest.isArray_(undefined)).toBe(false);
+      expect(jasmineUnderTest.isArray_({})).toBe(false);
+      expect(jasmineUnderTest.isArray_(function() {})).toBe(false);
+      expect(jasmineUnderTest.isArray_('foo')).toBe(false);
+      expect(jasmineUnderTest.isArray_(5)).toBe(false);
+      expect(jasmineUnderTest.isArray_(null)).toBe(false);
     });
   });
 
   describe("isUndefined", function() {
     it("reports if a variable is defined", function() {
       var a;
-      expect(j$.util.isUndefined(a)).toBe(true);
-      expect(j$.util.isUndefined(undefined)).toBe(true);
+      expect(jasmineUnderTest.util.isUndefined(a)).toBe(true);
+      expect(jasmineUnderTest.util.isUndefined(undefined)).toBe(true);
 
       var undefined = "diz be undefined yo";
-      expect(j$.util.isUndefined(undefined)).toBe(false);
+      expect(jasmineUnderTest.util.isUndefined(undefined)).toBe(false);
     });
   });
 });