* <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a1n, a1n, a2n);
    }

    /**
     * Tests that <code>a:1.0</code> wins in the scenario:
     * <pre>

            }
        """
        createDirs("buildB", "buildB/b1", "buildB/b1/b11")
        buildB.settingsFile << """
            include ':b1:b11'
        """
        buildB.buildFile << """
            dependencies {
                implementation project(':b1')
            }

            project(":b1") {
                dependencies {

	r := New(NewSource(1))
	b1 := make([]byte, 100)
	_, err := io.ReadFull(iotest.OneByteReader(r), b1)
	if err != nil {
		t.Errorf("read by one byte: %v", err)
	}
	r = New(NewSource(1))
	b2 := make([]byte, 100)
	_, err = r.Read(b2)
	if err != nil {
		t.Errorf("read: %v", err)
	}
	if !bytes.Equal(b1, b2) {
		t.Errorf("read by one byte vs single read:\n%x\n%x", b1, b2)
	}
}

000002d0  bb 06 22 d7 d6 97 39 d1  f4 dc 95 06 b3 a4 a7 00  |.."...9.........|
000002e0  d1 e5 98 bc 97 12 03 25  03 12 ab 20 4f 00 80 71  |.......%... O..q|
000002f0  8d 3c 54 44 ba df 73 92  76 16 d1 ec b1 de a2 27  |.<TD..s.v......'|
00000300  97 b1 e9 31 37 ea a7 5d  a9 00 ce 85 08 5a b3 ac  |...17..].....Z..|
00000310  ef a6 8d c3 9f a5 ba 97  e8 bc 9f 81 63 77 7b 2e  |............cw{.|

     * <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a1n, a1n, a2n);
    }

    /**
     * Tests that <code>a:1.0</code> wins in the scenario:
     * <pre>

     * <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a2n, a1n, a2n);
    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:
     * <pre>

     * <pre>
     * a:1.0
     * b:1.0 -&gt; a:2.0
     * </pre>
     */
    @Test
    void testDepth() {
        ResolutionNode a1n = createResolutionNode(a1);
        ResolutionNode b1n = createResolutionNode(b1);
        ResolutionNode a2n = createResolutionNode(a2, b1n);

        assertResolveConflict(a2n, a1n, a2n);
    }

    /**
     * Tests that <code>a:2.0</code> wins in the scenario:
     * <pre>

    ByteSource b1 = ByteSource.wrap(new byte[] {0, 1, 2, 3});
    ByteSource b2 = ByteSource.wrap(new byte[0]);
    ByteSource b3 = ByteSource.wrap(new byte[] {4, 5});

    byte[] expected = {0, 1, 2, 3, 4, 5};

    assertArrayEquals(expected, ByteSource.concat(ImmutableList.of(b1, b2, b3)).read());
    assertArrayEquals(expected, ByteSource.concat(b1, b2, b3).read());

				// only same network/cluster, no VMs
				a1, a1Ns2, b1, c1, headless1, naked1, external1,
			},
		},
		"ReachableDestinations from vm": {
			filter: func(instances echo.Instances) echo.Instances {
				return echotest.ReachableDestinations(vm1, instances)
			},
			expect: echo.Instances{
				// all pods/vms, no external
				a1, a2, a1Ns2, a2Ns2, b1, b2, c1, c2, vm1, vm2,
				// only same network/cluster

					"key1": "a1",
					"key2": "a2",
					"val":  1,
				},
				map[string]interface{}{
					"key1": "b1",
					"key2": "b2",
					"val":  2,
				},
			}, &multiKeyMapListSchema),
			rhs: UnstructuredToVal([]interface{}{
				map[string]interface{}{
					"key1": "b1",
					"key2": "b2",
					"val":  2,
				},
				map[string]interface{}{
					"key1": "a1",
					"key2": "a2",