diff --git a/build.sc b/build.sc
index 825c1907d57..2c64d604685 100644
--- a/build.sc
+++ b/build.sc
@@ -6,6 +6,7 @@ import mill.scalalib.scalafmt._
 import coursier.maven.MavenRepository
 import mill.scalalib.api.ZincWorkerUtil.matchingVersions
 import $file.common
+import $file.tests
 import $file.project.Boilerplate
 
 object v {
diff --git a/tests.sc b/tests.sc
new file mode 100644
index 00000000000..915c312d02f
--- /dev/null
+++ b/tests.sc
@@ -0,0 +1,79 @@
+import mill._
+import mill.scalalib._
+import $file.common
+
+trait SvsimUnitTestModule
+  extends TestModule
+    with ScalaModule
+    with TestModule.ScalaTest {
+  def svsimModule: common.SvsimModule
+
+  def scalatestIvy: Dep
+
+  def scalacheckIvy: Dep
+
+  override def moduleDeps = Seq(svsimModule)
+
+  override def defaultCommandName() = "test"
+
+  override def ivyDeps = super.ivyDeps() ++ Agg(
+    scalatestIvy,
+    scalacheckIvy
+  )
+}
+
+trait FirrtlUnitTestModule
+  extends TestModule
+    with ScalaModule
+    with TestModule.ScalaTest {
+  def firrtlModule: common.FirrtlModule
+
+  def scalatestIvy: Dep
+
+  def scalacheckIvy: Dep
+
+  override def moduleDeps = Seq(firrtlModule)
+
+  override def defaultCommandName() = "test"
+
+  override def ivyDeps = super.ivyDeps() ++ Agg(
+    scalatestIvy,
+    scalacheckIvy
+  )
+}
+
+trait ChiselUnitTestModule
+  extends TestModule
+    with ScalaModule
+    with common.HasChisel
+    with common.HasMacroAnnotations
+    with TestModule.ScalaTest {
+  def scalatestIvy: Dep
+
+  def scalacheckIvy: Dep
+
+  override def defaultCommandName() = "test"
+
+  override def ivyDeps = super.ivyDeps() ++ Agg(
+    scalatestIvy,
+    scalacheckIvy
+  )
+}
+
+trait CIRCTPanamaBinderModuleTestModule
+  extends TestModule
+    with ScalaModule
+    with common.HasCIRCTPanamaBinderModule
+    with common.HasMacroAnnotations
+    with TestModule.ScalaTest {
+  def scalatestIvy: Dep
+
+  def scalacheckIvy: Dep
+
+  override def defaultCommandName() = "test"
+
+  override def ivyDeps = super.ivyDeps() ++ Agg(
+    scalatestIvy,
+    scalacheckIvy
+  )
+}