assertEqualCharNodes(traverser.depthFirstPostOrder(charactersOf("bd")), "adcb");
    assertEqualCharNodes(traverser.depthFirstPostOrder(charactersOf("dc")), "cbad");
    assertEqualCharNodes(traverser.depthFirstPostOrder(charactersOf("bc")), "adcb");
  }

  @Test
  public void forGraph_depthFirstPostOrder_twoCycles() {

```

2. Run an Emulator using Android Studio or from command line.

```
$ emulator -no-window -no-snapshot-load @pixel5
```

2. Turn on logs with logcat

```
$ adb logcat '*:E' OkHttp:D Http2:D TestRunner:D TaskRunner:D OkHttpTest:D GnssHAL_GnssInterface:F DeviceStateChecker:F memtrack:F
...

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should define correct ACB (Account Control Block) constants")
        void testACBConstants() {
            // Verify all ACB constants
            assertEquals(1, samr.ACB_DISABLED);
            assertEquals(2, samr.ACB_HOMDIRREQ);
            assertEquals(4, samr.ACB_PWNOTREQ);

        run: ./gradlew :android-test:test

      - name: AVD cache
        uses: actions/cache@v5
        id: avd-cache
        with:
          path: |
            ~/.android/avd/*
            ~/.android/adb*
          key: avd-${{ matrix.api-level }}

      - name: Create AVD and generate snapshot for caching
        if: steps.avd-cache.outputs.cache-hit != 'true'
        uses: reactivecircus/android-emulator-runner@v2

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should define correct ACB (Account Control Block) constants")
        void testACBConstants() {
            // Verify all ACB constants
            assertEquals(1, samr.ACB_DISABLED);
            assertEquals(2, samr.ACB_HOMDIRREQ);
            assertEquals(4, samr.ACB_PWNOTREQ);

        .execute()

    response.use {
      assertEquals(200, response.code)
      assertEquals(Protocol.HTTP_2, response.protocol)
    }

    // Only logs to the test logger above
    // Will fail if "adb shell setprop log.tag.okhttp.Http2 DEBUG" is called
    assertEquals(setOf(OkHttpTest::class.java.name), testHandler.calls.keys)
  }

  fun testCachedRequest() {
    enableTls()

    <glob pattern="*.as"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/x-ada">
    <_comment>Ada source code</_comment>
    <glob pattern="*.ada"/>
    <glob pattern="*.adb"/>
    <glob pattern="*.ads"/>
    <sub-class-of type="text/plain"/>
  </mime-type>

  <mime-type type="text/x-applescript">
    <_comment>AppleScript source code</_comment>