diff --git a/clwb/tests/projects/simple/WORKSPACE b/clwb/tests/projects/simple/WORKSPACE
index e69de29bb2d..eeddd9947cd 100644
--- a/clwb/tests/projects/simple/WORKSPACE
+++ b/clwb/tests/projects/simple/WORKSPACE
@@ -0,0 +1,8 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "googletest",
+    sha256 = "8ad598c73ad796e0d8280b082cebd82a630d73e73cd3c70057938a6501bba5d7",  # pragma: allowlist secret
+    strip_prefix = "googletest-1.14.0",
+    urls = ["https://github.com/google/googletest/archive/refs/tags/v1.14.0.tar.gz"],
+)
diff --git a/clwb/tests/projects/simple/main/BUILD b/clwb/tests/projects/simple/main/BUILD
index fc17320ee1b..af95c1f88a5 100644
--- a/clwb/tests/projects/simple/main/BUILD
+++ b/clwb/tests/projects/simple/main/BUILD
@@ -1,7 +1,17 @@
-load("@rules_cc//cc:defs.bzl", "cc_binary")
+load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_test")
 
 cc_binary(
     name = "hello-world",
     srcs = ["hello-world.cc"],
     visibility = ["//visibility:public"]
 )
+
+cc_test(
+    name = "hello-test",
+    size = "small",
+    srcs = ["hello-test.cc"],
+    deps = [
+        "@googletest//:gtest",
+        "@googletest//:gtest_main",
+    ],
+)
diff --git a/clwb/tests/projects/simple/main/hello-test.cc b/clwb/tests/projects/simple/main/hello-test.cc
new file mode 100644
index 00000000000..5a57e138f91
--- /dev/null
+++ b/clwb/tests/projects/simple/main/hello-test.cc
@@ -0,0 +1,9 @@
+#include <gtest/gtest.h>
+
+// Demonstrate some basic assertions.
+TEST(HelloTest, BasicAssertions) {
+  // Expect two strings not to be equal.
+  EXPECT_STRNE("hello", "world");
+  // Expect equality.
+  EXPECT_EQ(7 * 6, 42);
+}