test: add node16 testing of fs patches

Author: jbedard

MODULE.bazel

@@ -77,6 +77,13 @@ node_dev = use_extension(
     "node",
     dev_dependency = True,
 )
+use_repo(node_dev, "node16_linux_amd64")
+use_repo(node_dev, "node16_darwin_arm64")
+use_repo(node_dev, "node16_darwin_amd64")
+use_repo(node_dev, "node16_linux_arm64")
+use_repo(node_dev, "node16_linux_s390x")
+use_repo(node_dev, "node16_linux_ppc64le")
+use_repo(node_dev, "node16_windows_amd64")
 use_repo(node_dev, "node18_linux_amd64")
 use_repo(node_dev, "node18_darwin_arm64")
 use_repo(node_dev, "node18_darwin_amd64")
@@ -106,6 +113,10 @@ use_repo(node_dev, "node24_linux_s390x")
 use_repo(node_dev, "node24_linux_ppc64le")
 use_repo(node_dev, "node24_windows_amd64")
 node_dev.toolchain(node_version = "18.20.4")
+node_dev.toolchain(
+    name = "node16",
+    node_version = "16.20.0",
+)
 node_dev.toolchain(
     name = "node18",
     node_version = "18.20.4",

js/private/test/node-patches/BUILD.bazel

@@ -12,6 +12,7 @@ TESTS = [
 
 # Multiple node toolchains for testing across versions
 TOOLCHAINS_NAMES = [
+    "node16",
     "node18",
     "node20",
     "node22",
@@ -40,19 +41,29 @@ TOOLCHAINS_VERSIONS = [
 
 # Basic tests
 [
-    js_test(
-        name = "{}_test".format(t.replace(".js", "")),
-        data = [
-            "//:node_modules/inline-fixtures",
-            "//js/private/node-patches/src:compile",
-        ],
-        entry_point = "copy_entry_{}".format(t),
-        patch_node_fs = False,
-        # Without node patches on for these tests, the program is going to escape the sandbox if it
-        # is on since the fs patches are not on for the tests as they are the code under test
-        tags = ["no-sandbox"],
+    [
+        js_test(
+            name = "{}_{}_test".format(
+                t.replace(".js", ""),
+                toolchain_name,
+            ),
+            data = [
+                "//:node_modules/inline-fixtures",
+                "//js/private/node-patches/src:compile",
+            ],
+            entry_point = "copy_entry_{}".format(t),
+            node_toolchain = toolchain,
+            patch_node_fs = False,
+            # Without node patches on for these tests, the program is going to escape the sandbox if it
+            # is on since the fs patches are not on for the tests as they are the code under test
+            tags = ["no-sandbox"],
+        )
+        for t in TESTS
+    ]
+    for toolchain_name, toolchain in zip(
+        TOOLCHAINS_NAMES,
+        TOOLCHAINS_VERSIONS,
     )
-    for t in TESTS
 ]
 
 # Node process spawning tests