Add check for getRandomColor

Author: Jlu18

src/tests/Myr.test.js

@@ -133,8 +133,10 @@ describe("Updates to Myr's Model", () => {
     });
 
     it("to makes Random Color", () => {
+        myr.cursor.color = null;
         let color = myr.getRandomColor();
         expect(color).not.toBeUndefined();
+        expect(myr.cursor.color).toBeNull();
         expect(colorRegEx.test(color)).toBeTruthy();
     });
 
@@ -146,7 +148,9 @@ describe("Updates to Myr's Model", () => {
 
     it("pick Random Color out of a list of colors", () => {
         let colors = ["blue", "green", "red", "hotpink", "FF00FF", "rgb(100,33,93)"];
+        myr.cursor.color = null;
         let color = myr.getRandomColor(colors);
+        expect(myr.cursor.color).toBeNull();
         expect(color).not.toBeUndefined();
         expect(colors.includes(color)).toBeTruthy();
     });