Add munit dependency and dummy test

At this point, munit is the standard everyone should start with.

Author: smarter

.github/workflows/ci.yml

@@ -38,5 +38,8 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
-      - name: Run project
+      - name: Run the project
         run: sbt run
+
+      - name: Run the unit tests
+        run: sbt test

README.md

@@ -4,8 +4,8 @@
 
 ## Usage
 
-This is a normal sbt project. You can compile code with `sbt compile` and run it
-with `sbt run`. `sbt console` will start a Scala 3 REPL.
+This is a normal sbt project. You can compile code with `sbt compile`, run the main
+method with `sbt run` and run the tests with `sbt test`. `sbt console` will start a Scala 3 REPL.
 
 If compiling this example project fails, you probably have a global sbt plugin
 that does not work with Scala 3. You might try disabling plugins in

build.sbt

@@ -4,5 +4,6 @@ lazy val root = project
     name := "scala3-example-project",
     description := "Example sbt project that compiles using Scala 3",
     version := "0.1.0",
-    scalaVersion := "3.1.1"
+    scalaVersion := "3.1.1",
+    libraryDependencies += "org.scalameta" %% "munit" % "0.7.29" % Test
   )

src/test/scala/MySuite.scala

@@ -0,0 +1,9 @@
+// For more information on writing tests, see
+// https://scalameta.org/munit/docs/getting-started.html
+class MySuite extends munit.FunSuite {
+  test("example test that succeeds") {
+    val obtained = 42
+    val expected = 42
+    assertEquals(obtained, expected)
+  }
+}