Add test from unnamed module

build.gradle

@@ -217,7 +217,20 @@ tasks.named('compileTestJava', JavaCompile) {
     options.fork = true
 }
 
+sourceSets {
+    module
+}
+
+dependencies {
+    testImplementation sourceSets.module.output
+}
+
 tasks.named('test', Test) {
+    testClassesDirs += files(
+        sourceSets.test.output,
+        sourceSets.module.output
+    )
+
     def newClasspath = objects.fileCollection()
     newClasspath.from(configurations.testRuntimeClasspath)
     newClasspath.from(sourceSets.test.output)

src/module/java/dev/lukebemish/emojiidentifiers/test/module/InModule.java

@@ -0,0 +1,4 @@
+package dev.lukebemish.emojiidentifiers.test.module;
+
+public class InModule {
+}

src/module/java/module-info.java

@@ -0,0 +1,3 @@
+module dev.lukebemish.emojiidentifiers.test.module {
+    opens dev.lukebemish.emojiidentifiers.test.module;
+}

src/test/java/dev/lukebemish/emojiidentifiers/test/🧩/TestPackageWithEmoji.java

@@ -1,10 +1,13 @@
 package dev.lukebemish.emojiidentifiers.test.🧩;
 
+import dev.lukebemish.emojiidentifiers.test.module.InModule;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class TestPackageWithEmoji {
     @Test
     void testPackageWithEmoji() {
-
+        assertEquals("dev.lukebemish.emojiidentifiers.test.module", InModule.class.getModule().getName());
     }
 }