diff --git a/src/test/java/jenkins/advancedqueue/priority/strategy/HealthStrategyTest.java b/src/test/java/jenkins/advancedqueue/priority/strategy/HealthStrategyTest.java
new file mode 100644
index 00000000..4aa20050
--- /dev/null
+++ b/src/test/java/jenkins/advancedqueue/priority/strategy/HealthStrategyTest.java
@@ -0,0 +1,300 @@
+package jenkins.advancedqueue.priority.strategy;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.withSettings;
+
+import hudson.model.HealthReport;
+import hudson.model.Job;
+import hudson.model.Queue.BuildableItem;
+import hudson.model.Queue.Task;
+import hudson.util.RunList;
+import java.lang.reflect.Field;
+import java.util.Iterator;
+import org.junit.Test;
+
+public class HealthStrategyTest {
+    private BuildableItem mockedBuildableItem;
+    private Job<?, ?> mockedJob;
+
+    @Test
+    public void assertHealthOver80SameSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_OVER_80");
+        setMockedJobHealthTo(85);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealthOver80SameSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_OVER_80");
+        setMockedJobHealthTo(75);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealthOver80BetterSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_OVER_80");
+        setMockedJobHealthTo(85);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealthOver80BetterSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_OVER_80");
+        setMockedJobHealthTo(75);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80SameSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(75);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80SameSelectionFailsWithGreater() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(81);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80SameSelectionFailsWithLower() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(60);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80BetterSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(75);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80BetterSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(60);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80WorseSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(80);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth61To80WorseSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_61_TO_80");
+        setMockedJobHealthTo(81);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60SameSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(55);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60SameSelectionFailsWithGreater() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(61);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60SameSelectionFailsWithLower() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(40);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60BetterSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(50);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60BetterSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(40);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60WorseSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(60);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth41to60WorseSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_41_TO_60");
+        setMockedJobHealthTo(61);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40SameSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(35);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40SameSelectionFailsWithGreater() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(41);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40SameSelectionFailsWithLower() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(20);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40BetterSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(30);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40BetterSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(20);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40WorseSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(40);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth21to40WorseSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_21_TO_40");
+        setMockedJobHealthTo(41);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20SameSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(15);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20SameSelectionFailsWithGreater() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(21);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20SameSelectionFailsWithLower() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "SAME", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(-1);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20BetterSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(15);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20BetterSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "BETTER", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(-1);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20WorseSelectionConcludes() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(20);
+        initializeJobRunList();
+        assertTrue(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    @Test
+    public void assertHealth0to20WorseSelectionFails() throws NoSuchFieldException, IllegalAccessException {
+        HealthStrategy strategy = new HealthStrategy(0, "WORSE", "HEALTH_0_TO_20");
+        setMockedJobHealthTo(21);
+        initializeJobRunList();
+        assertFalse(strategy.isApplicable(this.mockedBuildableItem));
+    }
+
+    private void setMockedJobHealthTo(int health) throws NoSuchFieldException, IllegalAccessException {
+        this.mockedBuildableItem = mock(BuildableItem.class);
+        this.mockedJob = mock(Job.class, withSettings().extraInterfaces(Task.class));
+        setTaskInMockedBuildableItem(this.mockedBuildableItem, (Task) this.mockedJob);
+        HealthReport mockedHealthReport = mock(HealthReport.class);
+        when(this.mockedJob.getBuildHealth()).thenReturn(mockedHealthReport);
+        when(mockedHealthReport.getScore()).thenReturn(health);
+    }
+
+    private void initializeJobRunList() {
+        // These mocks are used to avoid returning false instantly as per HealthStrategy#isApplicable:68
+        when(this.mockedJob.getBuilds()).thenReturn(mock(RunList.class));
+        when(this.mockedJob.getBuilds().iterator()).thenReturn(mock(Iterator.class));
+        when(this.mockedJob.getBuilds().iterator().hasNext()).thenReturn(true);
+    }
+
+    private void setTaskInMockedBuildableItem(BuildableItem buildableItem, Task task)
+            throws NoSuchFieldException, IllegalAccessException {
+        Field taskField = BuildableItem.class.getField("task");
+        taskField.setAccessible(true);
+        taskField.set(buildableItem, task);
+    }
+}