diff --git a/packages/jasmine/jasmine_node_test.bzl b/packages/jasmine/jasmine_node_test.bzl
index b39503e1a0..8700683537 100644
--- a/packages/jasmine/jasmine_node_test.bzl
+++ b/packages/jasmine/jasmine_node_test.bzl
@@ -21,6 +21,7 @@ than launching a test in Karma, for example.
 load("@rules_nodejs//nodejs:providers.bzl", "JSModuleInfo")
 load("//packages/jasmine/private:index.bzl", "bazel_jasmine_runner_test")
 load("@build_bazel_rules_nodejs//internal/node:node.bzl", nodejs_test = "nodejs_test_macro")
+load("@build_bazel_rules_nodejs//internal/common:is_js_file.bzl", "is_javascript_file")
 
 def _js_sources_impl(ctx):
     depsets = []
@@ -36,7 +37,7 @@ def _js_sources_impl(ctx):
     ctx.actions.write(ctx.outputs.manifest, "".join([
         f.short_path + "\n"
         for f in sources.to_list()
-        if f.path.endswith(".js") or f.path.endswith(".mjs")
+        if is_javascript_file(f)
     ]))
 
     return [DefaultInfo(files = sources)]
diff --git a/packages/jasmine/test/BUILD.bazel b/packages/jasmine/test/BUILD.bazel
index ae5d92dfc9..b37a2f94e8 100644
--- a/packages/jasmine/test/BUILD.bazel
+++ b/packages/jasmine/test/BUILD.bazel
@@ -3,33 +3,54 @@ load("//internal/common:copy_to_bin.bzl", "copy_to_bin")
 load("//packages/jasmine:index.bzl", "jasmine_node_test")
 load("//packages/typescript:index.bzl", "ts_project")
 
-jasmine_node_test(
-    name = "underscore_spec_test",
-    srcs = ["foo_spec.js"],
-)
+_JS_EXTENSIONS = [
+    "js",
+    "cjs",
+    "mjs",
+]
+
+[
+    jasmine_node_test(
+        name = "underscore_spec_%s_test" % ext,
+        srcs = ["foo_spec.%s" % ext],
+    )
+    for ext in _JS_EXTENSIONS
+]
 
 # Verify that a bootstrap script does not break the test
-jasmine_node_test(
-    name = "underscore_spec_bootstrap_test",
-    srcs = ["foo_spec.js"],
-    data = ["bootstrap.js"],
-    templated_args = ["--node_options=--require=$$(rlocation $(location :bootstrap.js))"],
-)
-
-jasmine_node_test(
-    name = "underscore_test_test",
-    srcs = ["foo_test.js"],
-)
-
-jasmine_node_test(
-    name = "dot_spec_test",
-    srcs = ["foo.spec.js"],
-)
-
-jasmine_node_test(
-    name = "dot_test_test",
-    srcs = ["foo.test.js"],
-)
+[
+    jasmine_node_test(
+        name = "underscore_spec_%s_bootstrap_test" % ext,
+        srcs = ["foo_spec.%s" % ext],
+        data = ["bootstrap.js"],
+        templated_args = ["--node_options=--require=$$(rlocation $(location :bootstrap.js))"],
+    )
+    for ext in _JS_EXTENSIONS
+]
+
+[
+    jasmine_node_test(
+        name = "underscore_test_%s_test" % ext,
+        srcs = ["foo_test.%s" % ext],
+    )
+    for ext in _JS_EXTENSIONS
+]
+
+[
+    jasmine_node_test(
+        name = "dot_spec_%s_test" % ext,
+        srcs = ["foo.spec.%s" % ext],
+    )
+    for ext in _JS_EXTENSIONS
+]
+
+[
+    jasmine_node_test(
+        name = "dot_test_%s_test" % ext,
+        srcs = ["foo.test.%s" % ext],
+    )
+    for ext in _JS_EXTENSIONS
+]
 
 jasmine_node_test(
     name = "sharding_test",
diff --git a/packages/jasmine/test/foo.spec.cjs b/packages/jasmine/test/foo.spec.cjs
new file mode 100644
index 0000000000..b0f7bd50e8
--- /dev/null
+++ b/packages/jasmine/test/foo.spec.cjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with .spec.cjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo.spec.mjs b/packages/jasmine/test/foo.spec.mjs
new file mode 100644
index 0000000000..c5689425f5
--- /dev/null
+++ b/packages/jasmine/test/foo.spec.mjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with .spec.mjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo.test.cjs b/packages/jasmine/test/foo.test.cjs
new file mode 100644
index 0000000000..0675482cb8
--- /dev/null
+++ b/packages/jasmine/test/foo.test.cjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with .test.cjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo.test.mjs b/packages/jasmine/test/foo.test.mjs
new file mode 100644
index 0000000000..dc8d660685
--- /dev/null
+++ b/packages/jasmine/test/foo.test.mjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with .test.mjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo_spec.cjs b/packages/jasmine/test/foo_spec.cjs
new file mode 100644
index 0000000000..be97dfaa09
--- /dev/null
+++ b/packages/jasmine/test/foo_spec.cjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with _spec.cjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo_spec.mjs b/packages/jasmine/test/foo_spec.mjs
new file mode 100644
index 0000000000..5c776a26c8
--- /dev/null
+++ b/packages/jasmine/test/foo_spec.mjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with _spec.mjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo_test.cjs b/packages/jasmine/test/foo_test.cjs
new file mode 100644
index 0000000000..b97a416102
--- /dev/null
+++ b/packages/jasmine/test/foo_test.cjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with _test.cjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});
diff --git a/packages/jasmine/test/foo_test.mjs b/packages/jasmine/test/foo_test.mjs
new file mode 100644
index 0000000000..5ab7e765fb
--- /dev/null
+++ b/packages/jasmine/test/foo_test.mjs
@@ -0,0 +1,5 @@
+describe('spec in file ending with _test.mjs', () => {
+  it('should run', () => {
+    expect(true).toBe(true);
+  });
+});