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/html/ResultsNodeSpec.js

@@ -4,7 +4,7 @@ describe("ResultsNode", function() {
         id: 123,
         message: "foo"
       },
-      node = new j$.ResultsNode(fakeResult, "suite", null);
+      node = new jasmineUnderTest.ResultsNode(fakeResult, "suite", null);
 
     expect(node.result).toBe(fakeResult);
     expect(node.type).toEqual("suite");
@@ -19,7 +19,7 @@ describe("ResultsNode", function() {
         id: 456,
         message: "bar"
       },
-      node = new j$.ResultsNode(fakeResult, "suite", null);
+      node = new jasmineUnderTest.ResultsNode(fakeResult, "suite", null);
 
     node.addChild(fakeChildResult, "spec");
 
@@ -37,7 +37,7 @@ describe("ResultsNode", function() {
         id: 456,
         message: "bar"
       },
-      node = new j$.ResultsNode(fakeResult, "suite", null);
+      node = new jasmineUnderTest.ResultsNode(fakeResult, "suite", null);
 
     node.addChild(fakeChildResult, "spec");
 
@@ -53,7 +53,7 @@ describe("ResultsNode", function() {
         id: 456,
         message: "bar"
       },
-      node = new j$.ResultsNode(fakeResult, "suite", null);
+      node = new jasmineUnderTest.ResultsNode(fakeResult, "suite", null);
 
     node.addChild(fakeChildResult, "spec");