Add alt text to unrelated tests

Suggestion - DavidAnson#993 (comment)

test/h1-image-as-top-level-heading.md

@@ -1,4 +1,4 @@
-<h1 align="center"><img src="https://placekitten.com/300/150"/></h1> {MD045}
+<h1 align="center"><img alt="Cats" src="https://placekitten.com/300/150"/></h1>
 
 Text
 

test/html-tags.md

@@ -88,7 +88,7 @@ Text ``text <em> text`` text
 Text
 
 Text <a href="#anchor">inline {MD033}</a> text
-text <img src="src.png"/> text {MD033}{MD045}
+text <img alt="Description" src="src.png"/> text {MD033}
 
 Text
 

test/proper-names-no-html.md

@@ -6,7 +6,7 @@ Bad text javascript. {MD044}
 
 Bad code `javascript`. {MD044}
 
-<img src="img/javascript/image.png"> {MD045}
+<img alt="Description" src="img/javascript/image.png">
 
 <script type="text/javascript">
 javascript {MD044}

test/proper-names.md

@@ -89,7 +89,7 @@ Text referencing MultipleCase name.
 Text referencing MULTIPLECASE name. {MD044}
 Text referencing mULTIPLEcASE name.
 
-<img src="img/javascript/image.png" error="{MD044}"> {MD045}
+<img alt="Description" src="img/javascript/image.png" error="{MD044}">
 
 <script type="text/javascript">
 {MD044:94}

test/snapshots/markdownlint-test-scenarios.js.md

@@ -13931,25 +13931,8 @@ Generated by [AVA](https://avajs.dev).
 > Snapshot 1
 
     {
-      errors: [
-        {
-          errorContext: null,
-          errorDetail: 'Element: img',
-          errorRange: [
-            20,
-            44,
-          ],
-          fixInfo: null,
-          lineNumber: 1,
-          ruleDescription: 'Images should have alternate text (alt text)',
-          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md045.md',
-          ruleNames: [
-            'MD045',
-            'no-alt-text',
-          ],
-        },
-      ],
-      fixed: `<h1 align="center"><img src="https://placekitten.com/300/150"/></h1> {MD045}␊
+      errors: [],
+      fixed: `<h1 align="center"><img alt="Cats" src="https://placekitten.com/300/150"/></h1>␊
       ␊
       Text␊
       ␊
@@ -18682,7 +18665,7 @@ Generated by [AVA](https://avajs.dev).
           errorDetail: 'Element: img',
           errorRange: [
             6,
-            20,
+            38,
           ],
           fixInfo: null,
           lineNumber: 91,
@@ -18757,22 +18740,6 @@ Generated by [AVA](https://avajs.dev).
             'no-inline-html',
           ],
         },
-        {
-          errorContext: null,
-          errorDetail: 'Element: img',
-          errorRange: [
-            6,
-            20,
-          ],
-          fixInfo: null,
-          lineNumber: 91,
-          ruleDescription: 'Images should have alternate text (alt text)',
-          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md045.md',
-          ruleNames: [
-            'MD045',
-            'no-alt-text',
-          ],
-        },
       ],
       fixed: `# Detailed HTML Results␊
       ␊
@@ -18864,7 +18831,7 @@ Generated by [AVA](https://avajs.dev).
       Text␊
       ␊
       Text <a href="#anchor">inline {MD033}</a> text␊
-      text <img src="src.png"/> text {MD033}{MD045}␊
+      text <img alt="Description" src="src.png"/> text {MD033}␊
       ␊
       Text␊
       ␊
@@ -37271,22 +37238,6 @@ Generated by [AVA](https://avajs.dev).
             'proper-names',
           ],
         },
-        {
-          errorContext: null,
-          errorDetail: 'Element: img',
-          errorRange: [
-            1,
-            36,
-          ],
-          fixInfo: null,
-          lineNumber: 9,
-          ruleDescription: 'Images should have alternate text (alt text)',
-          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md045.md',
-          ruleNames: [
-            'MD045',
-            'no-alt-text',
-          ],
-        },
       ],
       fixed: `# Proper Names No HTML␊
       ␊
@@ -37296,7 +37247,7 @@ Generated by [AVA](https://avajs.dev).
       ␊
       Bad code \`JavaScript\`. {MD044}␊
       ␊
-      <img src="img/javascript/image.png"> {MD045}␊
+      <img alt="Description" src="img/javascript/image.png">␊
       ␊
       <script type="text/javascript">␊
       JavaScript {MD044}␊
@@ -38542,12 +38493,12 @@ Generated by [AVA](https://avajs.dev).
           errorContext: null,
           errorDetail: 'Expected: JavaScript; Actual: javascript',
           errorRange: [
-            15,
+            33,
             10,
           ],
           fixInfo: {
             deleteCount: 10,
-            editColumn: 15,
+            editColumn: 33,
             insertText: 'JavaScript',
           },
           lineNumber: 92,
@@ -38778,22 +38729,6 @@ Generated by [AVA](https://avajs.dev).
             'proper-names',
           ],
         },
-        {
-          errorContext: null,
-          errorDetail: 'Element: img',
-          errorRange: [
-            1,
-            52,
-          ],
-          fixInfo: null,
-          lineNumber: 92,
-          ruleDescription: 'Images should have alternate text (alt text)',
-          ruleInformation: 'https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/md045.md',
-          ruleNames: [
-            'MD045',
-            'no-alt-text',
-          ],
-        },
         {
           errorContext: null,
           errorDetail: 'Expected: indented; Actual: fenced',
@@ -38899,7 +38834,7 @@ Generated by [AVA](https://avajs.dev).
       Text referencing multiplecase name. {MD044}␊
       Text referencing mULTIPLEcASE name.␊
       ␊
-      <img src="img/JavaScript/image.png" error="{MD044}"> {MD045}␊
+      <img alt="Description" src="img/JavaScript/image.png" error="{MD044}">␊
       ␊
       <script type="text/JavaScript">␊
       {MD044:94}␊