[ConfigSample] Change API level to 26 which is supported

.github/workflows/TestConfigurationSample.yaml

@@ -87,7 +87,7 @@ jobs:
 
       - name: Run regression tests
         working-directory: ${{ env.SAMPLE_PATH }}
-        run: ./gradlew -i pixel2api23DebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.example.android.testing.testconfigurationsample.TestDeviceApi23
+        run: ./gradlew -i pixel2api26DebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.example.android.testing.testconfigurationsample.TestDeviceApi26
 
       - name: Run large screen tests
         working-directory: ${{ env.SAMPLE_PATH }}

TestConfigurationSample/app/build.gradle

@@ -58,9 +58,9 @@ android {
                 systemImageSource = "aosp"
                 abi = "x86"
             }
-            pixel2api23(ManagedVirtualDevice) {
+            pixel2api26(ManagedVirtualDevice) {
                 device = "Pixel 2"
-                apiLevel = 23
+                apiLevel = 26
                 systemImageSource = "aosp"
                 abi = "x86"
             }

TestConfigurationSample/app/src/androidTest/java/com/example/android/testing/testconfigurationsample/MainActivityTests.kt

@@ -66,8 +66,8 @@ class MainActivityTests {
      *
      * See the Github Actions setup of this project for an example.
      */
-    @Test @TestDeviceApi23
-    fun regressionTestKnownIssueApi23() {
+    @Test @TestDeviceApi26
+    fun regressionTestKnownIssueApi26() {
         // Add instrumented tests here
         runBlocking { delay(10000) }
         Assert.assertTrue(true)

TestConfigurationSample/app/src/androidTest/java/com/example/android/testing/testconfigurationsample/TestDeviceAnnotations.kt

@@ -16,9 +16,9 @@
 package com.example.android.testing.testconfigurationsample
 
 /**
- * Annotate tests with this annotation when testing API 23 regression bugs.
+ * Annotate tests with this annotation when testing API 26 regression bugs.
  */
-annotation class TestDeviceApi23
+annotation class TestDeviceApi26
 
 /**
  * Annotate tests with this annotation when testing large-screen specific features.