Added Tests

spring-boot-modules/spring-boot-actuator/src/test/java/com/baeldung/health/DisabledRandomHealthIndicatorIntegrationTest.java

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+package com.baeldung.health;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+@TestPropertySource(properties = "management.health.random.enabled=false")
+class DisabledRandomHealthIndicatorIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void givenADisabledIndicator_whenSendingRequest_thenReturns404() throws Exception {
+        mockMvc.perform(get("/actuator/health/random"))
+          .andExpect(status().isNotFound());
+    }
+}

spring-boot-modules/spring-boot-actuator/src/test/java/com/baeldung/health/RandomHealthIndicatorIntegrationTest.java

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+package com.baeldung.health;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class RandomHealthIndicatorIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void givenRandomIndicator_whenCallingTheAPI_thenReturnsExpectedDetails() throws Exception {
+        mockMvc.perform(get("/actuator/health/random"))
+          .andExpect(jsonPath("$.status").exists())
+          .andExpect(jsonPath("$.details.strategy").value("thread-local"))
+          .andExpect(jsonPath("$.details.chance").exists());
+    }
+}

spring-boot-modules/spring-boot-actuator/src/test/java/com/baeldung/health/WarningHealthIndicatorIntegrationTest.java

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+package com.baeldung.health;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+class WarningHealthIndicatorIntegrationTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    void givenCustomMapping_whenCallingTheAPI_thenTheStatusCodeIsAsExpected() throws Exception {
+        mockMvc.perform(get("/actuator/health/warning"))
+          .andExpect(jsonPath("$.status").value("WARNING"))
+          .andExpect(status().isInternalServerError());
+    }
+}