Initialize HemHub project foundation

backend/src/test/java/se/rubble/hemhub/HealthControllerTest.java

@@ -0,0 +1,23 @@
+package se.rubble.hemhub;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+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;
+
+class HealthControllerTest {
+
+    private final MockMvc mockMvc =
+            MockMvcBuilders.standaloneSetup(new HealthController()).build();
+
+    @Test
+    void healthReturnsUp() throws Exception {
+        mockMvc.perform(get("/api/health"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.status").value("UP"));
+    }
+}
+