Revert removal of some existing a11y snippets

Author: simona-anomis

compose/snippets/src/androidTest/java/com/example/compose/snippets/accessibility/AccessibilitySnippets.kt

@@ -26,15 +26,20 @@ import androidx.compose.material3.Text
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.semantics.SemanticsActions
 import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.getOrNull
 import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.test.SemanticsMatcher
+import androidx.compose.ui.test.assert
 import androidx.compose.ui.test.junit4.accessibility.enableAccessibilityChecks
 import androidx.compose.ui.test.junit4.createAndroidComposeRule
 import androidx.compose.ui.test.onRoot
 import androidx.compose.ui.test.tryPerformAccessibilityChecks
 import androidx.compose.ui.unit.dp
 import com.google.android.apps.common.testing.accessibility.framework.AccessibilityCheckResult
 import com.google.android.apps.common.testing.accessibility.framework.integrations.espresso.AccessibilityValidator
+import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 
@@ -110,4 +115,20 @@ class AccessibilityTest {
         composeTestRule.onRoot().tryPerformAccessibilityChecks()
     }
 // [END android_compose_accessibility_testing_validator]
+
+    private val nodeMatcher = SemanticsMatcher(description = "DUMMY") { it.isRoot }
+
+    @Ignore("Dummy test")
+// [START android_compose_accessibility_testing]
+    @Test
+    fun test() {
+        composeTestRule
+            .onNode(nodeMatcher)
+            .assert(
+                SemanticsMatcher("onClickLabel is set correctly") {
+                    it.config.getOrNull(SemanticsActions.OnClick)?.label == "My Click Label"
+                }
+            )
+    }
+// [END android_compose_accessibility_testing]
 }

compose/snippets/src/androidTest/java/com/example/compose/snippets/semantics/SemanticsSnippets.kt

@@ -30,6 +30,25 @@ import org.junit.Rule
 import org.junit.Test
 
 @Suppress("TestFunctionName")
+// [START android_compose_semantics_logging]
+class MyComposeTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun MyTest() {
+        // Start the app
+        composeTestRule.setContent {
+            MyTheme {
+                Text("Hello world!")
+            }
+        }
+        // Log the full semantics tree
+        composeTestRule.onRoot().printToLog("MY TAG")
+    }
+}
+// [END android_compose_semantics_logging]
 
 class Test2 {
     @get:Rule