H67: Using null alt text and no title attribute on img elements for images that AT should ignore

HTML Snippet Code
Scenario 1: Alternative text is not provided for decorative image

Deque Product List

WorldSpace
aXe
FireEyes
Amaze
 <h1>Deque Product List</h1> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" class="wcag-fail" /> WorldSpace<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" class="wcag-fail"/> aXe<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" class="wcag-fail"/> FireEyes<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" class="wcag-fail"/> Amaze<br/>
Scenario 2: Alternative text is provided for decorative image using alt

Deque Product List

dot WorldSpace
dot aXe
dot FireEyes
dot Amaze
 <h1>Deque Product List</h1> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" alt="dot" class="wcag-fail" /> WorldSpace<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" alt="dot" class="wcag-fail" /> aXe<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" alt="dot" class="wcag-fail" /> FireEyes<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" alt="dot" class="wcag-fail" /> Amaze<br/>
Scenario 3: Alternative text is provided for decorative image using aria-label

Deque Product List

WorldSpace
aXe
FireEyes
Amaze
 <h1>Deque Product List</h1> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" aria-label="dot" class="wcag-fail" /> WorldSpace<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" aria-label="dot" class="wcag-fail" /> aXe<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" aria-label="dot" class="wcag-fail"/> FireEyes<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" aria-label="dot" class="wcag-fail" /> Amaze<br/>
Scenario 4: Alternative text is provided for decorative image using title

Deque Product List

WorldSpace
aXe
FireEyes
Amaze
 <h1>Deque Product List</h1> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" title="dot" class="wcag-fail" /> WorldSpace<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" title="dot" class="wcag-fail" /> aXe<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" title="dot" class="wcag-fail"/> FireEyes<br/> <img src="../../../Resources/Images/dot.png" height="4px" width="4px" title="dot" class="wcag-fail" /> Amaze<br/>

Deque Systems, Inc.