test: Adding missing tests

src/test/java/com/globaldashboard/ServletInitializerTest.java

@@ -0,0 +1,27 @@
+package com.globaldashboard;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+@SpringBootTest
+class ServletInitializerTest {
+
+    private static String getSourceName(SpringApplicationBuilder application) {
+        return application.build().getAllSources().stream().toList().get(0).toString();
+    }
+
+    @Test
+    void shouldInitializeApplication() {
+        SpringApplicationBuilder application = new SpringApplicationBuilder();
+        ServletInitializer servletInitializer = new ServletInitializer();
+
+        servletInitializer.configure(application);
+
+        assertThat(application.build().getAllSources()).hasSize(1);
+        assertThat(getSourceName(application)).isEqualTo("class com.globaldashboard.GlobalDependenciesDashboardApplication");
+    }
+}