[test][form label] Add axe tests and WCAG conformance report

docs/data/material/components/form-label/form-label.a11y.json

@@ -0,0 +1,122 @@
+{
+  "FormLabelA11yColorMatrix": {
+    "rules": {
+      "aria-allowed-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-conditional-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-prohibited-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr-value": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "color-contrast": {
+        "status": "fail",
+        "tags": ["wcag2aa"]
+      }
+    }
+  },
+  "FormLabelA11yColorMatrixDark": {
+    "rules": {
+      "aria-allowed-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-conditional-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-prohibited-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr-value": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "color-contrast": {
+        "status": "pass",
+        "tags": ["wcag2aa"]
+      }
+    }
+  },
+  "FormLabelA11yStates": {
+    "rules": {
+      "aria-allowed-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-conditional-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-deprecated-role": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-hidden-focus": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-prohibited-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-required-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-roles": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "aria-valid-attr-value": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "color-contrast": {
+        "status": "pass",
+        "tags": ["wcag2aa"]
+      },
+      "duplicate-id-aria": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "form-field-multiple-labels": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "label": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "nested-interactive": {
+        "status": "pass",
+        "tags": ["wcag2a"]
+      },
+      "target-size": {
+        "status": "pass",
+        "tags": ["wcag22aa"]
+      }
+    }
+  }
+}

docs/data/material/getting-started/accessibility/knownGaps.json

@@ -12,19 +12,32 @@
       "Avatar",
       "Button",
       { "component": "CircularProgress", "note": "`warning` with `enableTrackSlot`" },
+      { "component": "FormLabel", "note": "focused `info`, `warning`" },
       "LinearProgress",
       "Switch",
       "TextField",
       "ToggleButton"
     ],
     "workaround": "Override the affected palette entries"
   },
+  {
+    "gap": "In dark mode, the elevation overlay lowers the contrast of `error` text below 4.5:1 on a Paper with elevation 2 or more, such as a Menu or a Dialog",
+    "criteria": ["1.4.3"],
+    "affected": ["FormLabel", "TextField"],
+    "workaround": "Set a lighter `error.main` for dark mode, or show error text on a surface with elevation 0 or 1"
+  },
   {
     "gap": "The selected state of colored Toggle Buttons is conveyed almost entirely by hue",
     "criteria": ["1.4.1"],
     "affected": [{ "component": "ToggleButton", "note": "`primary`, `error`, `info`, `success`" }],
     "workaround": "Add a non-color cue to the selected state, such as an icon"
   },
+  {
+    "gap": "A required checkbox, radio, or switch group exposes no required state to assistive technology, because Checkbox, Radio, and Switch do not take `required` from FormControl and RadioGroup has no `required` prop",
+    "criteria": ["1.3.1"],
+    "affected": [{ "component": "FormLabel", "note": "`required` group legend" }],
+    "workaround": "Set `aria-required` on a RadioGroup. Set `required` on a single Checkbox or Switch, or on its FormControlLabel, which forwards it to the control. For a checkbox group, state the requirement in the legend text"
+  },
   {
     "gap": "Dynamic state changes are not announced",
     "criteria": ["4.1.3"],

docs/data/material/getting-started/accessibility/scorecard.json

@@ -1,12 +1,12 @@
 {
   "standard": "WCAG 2.2 Level A and AA",
-  "componentCount": 13,
+  "componentCount": 14,
   "totals": {
     "rated": 32,
-    "supports": 27,
-    "partiallySupports": 5,
+    "supports": 26,
+    "partiallySupports": 6,
     "doesNotSupport": 0,
-    "flagged": 13
+    "flagged": 14
   },
   "criteria": [
     {
@@ -21,9 +21,9 @@
       "number": "1.3.1",
       "name": "Info and Relationships",
       "level": "A",
-      "conformance": "Supports",
-      "flagged": false,
-      "affected": []
+      "conformance": "Partially Supports",
+      "flagged": true,
+      "affected": ["FormLabel"]
     },
     {
       "number": "1.3.2",
@@ -63,7 +63,7 @@
       "level": "AA",
       "conformance": "Partially Supports",
       "flagged": true,
-      "affected": ["Avatar", "Button", "TextField", "ToggleButton"]
+      "affected": ["Avatar", "Button", "FormLabel", "TextField", "ToggleButton"]
     },
     {
       "number": "1.4.4",
@@ -1538,6 +1538,158 @@
         "automated": 1
       }
     },
+    {
+      "component": "FormLabel",
+      "counts": {
+        "supports": 11,
+        "partiallySupports": 2,
+        "doesNotSupport": 0,
+        "notApplicable": 42,
+        "flagged": 3,
+        "rated": 13
+      },
+      "gaps": [
+        {
+          "number": "1.3.1",
+          "name": "Info and Relationships",
+          "conformance": "Partially Supports"
+        },
+        {
+          "number": "1.4.3",
+          "name": "Contrast (Minimum)",
+          "conformance": "Partially Supports"
+        }
+      ],
+      "criteria": [
+        {
+          "number": "1.3.1",
+          "name": "Info and Relationships",
+          "level": "A",
+          "conformance": "Partially Supports",
+          "responsibility": "Shared",
+          "group": "Hybrid",
+          "flagged": true
+        },
+        {
+          "number": "1.3.2",
+          "name": "Meaningful Sequence",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Author",
+          "group": "Manual",
+          "flagged": false
+        },
+        {
+          "number": "1.3.3",
+          "name": "Sensory Characteristics",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Author",
+          "group": "Manual",
+          "flagged": false
+        },
+        {
+          "number": "1.4.1",
+          "name": "Use of Color",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Hybrid",
+          "flagged": true
+        },
+        {
+          "number": "1.4.3",
+          "name": "Contrast (Minimum)",
+          "level": "AA",
+          "conformance": "Partially Supports",
+          "responsibility": "Component",
+          "group": "Hybrid",
+          "flagged": false
+        },
+        {
+          "number": "1.4.4",
+          "name": "Resize Text",
+          "level": "AA",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Automated",
+          "flagged": false
+        },
+        {
+          "number": "1.4.5",
+          "name": "Images of Text",
+          "level": "AA",
+          "conformance": "Supports",
+          "responsibility": "Author",
+          "group": "Manual",
+          "flagged": false
+        },
+        {
+          "number": "1.4.10",
+          "name": "Reflow",
+          "level": "AA",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Automated",
+          "flagged": false
+        },
+        {
+          "number": "1.4.12",
+          "name": "Text Spacing",
+          "level": "AA",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Automated",
+          "flagged": false
+        },
+        {
+          "number": "2.4.6",
+          "name": "Headings and Labels",
+          "level": "AA",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Hybrid",
+          "flagged": false
+        },
+        {
+          "number": "2.5.3",
+          "name": "Label in Name",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Automated",
+          "flagged": false
+        },
+        {
+          "number": "3.3.2",
+          "name": "Labels or Instructions",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Hybrid",
+          "flagged": true
+        },
+        {
+          "number": "4.1.2",
+          "name": "Name, Role, Value",
+          "level": "A",
+          "conformance": "Supports",
+          "responsibility": "Shared",
+          "group": "Hybrid",
+          "flagged": false
+        }
+      ],
+      "summary": {
+        "rated": 13,
+        "levelA": 7,
+        "levelAA": 6,
+        "supports": 11,
+        "partiallySupports": 2,
+        "doesNotSupport": 0,
+        "verified": 10,
+        "automated": 4
+      }
+    },
     {
       "component": "LinearProgress",
       "counts": {