test(tedious): stop testing some older tedious versions with Node.js 14

This was necessitated by a transitive dep of tedious breaking support
for Node.js versions earlier than 16.

Closes: #3926

Author: trentm

.tav.yml

@@ -325,12 +325,19 @@ tedious:
   - versions: '11.0.0 || 11.8.0' # first and last subset of '11.x'
     node: '>=10.17.0'
     commands: node test/instrumentation/modules/tedious.test.js
-  # first and last majors subset of '12.x || 13.x || 14.x'
+  # First and last majors subset of '12.x || 13.x || 14.x'.
+  # These advertise a min-supported Node.js version of 12.3.0. However,
+  # as of @azure/core-rest-pipeline@1.15.0 they effectively have a
+  # min-working Node.js of >=16 (possibly >=18).
   - versions: '12.0.0 || 12.3.0 || 13.0.0 || 13.2.0 || 14.0.0 || 14.7.0 || >14.7.0 <15'
-    node: '>=12.3.0'
+    node: '>=16'
     commands: node test/instrumentation/modules/tedious.test.js
-  - versions: '15.0.0 || 15.1.3 || >15.1.3 <16' # first and last majors subset of '15.x'
-    node: '>=14'
+  # First and last majors subset of '15.x'.
+  # These advertise a min-supported Node.js version of 14. However,
+  # as of @azure/core-rest-pipeline@1.15.0 they effectively have a
+  # min-working Node.js of >=16 (possibly >=18).
+  - versions: '15.0.0 || 15.1.3 || >15.1.3 <16'
+    node: '>=16'
     commands: node test/instrumentation/modules/tedious.test.js
   - versions: '16.0.0 || 16.1.0 || >16.1.0 <17' # first and last majors subset of '16.x'
     node: '>=16'

test/instrumentation/modules/tedious.test.js

@@ -25,10 +25,10 @@ const tediousVer =
 const semver = require('semver');
 if (
   (semver.gte(tediousVer, '17.0.0') && semver.lt(process.version, '18.0.0')) ||
-  (semver.gte(tediousVer, '16.0.0') && semver.lt(process.version, '16.0.0')) ||
-  (semver.gte(tediousVer, '15.0.0') && semver.lt(process.version, '14.0.0')) ||
-  (semver.gte(tediousVer, '12.0.0') && semver.lt(process.version, '12.3.0')) ||
-  (semver.gte(tediousVer, '11.0.0') && semver.lt(process.version, '10.17.0'))
+  // tedious@11 and later depend on @azure/identity v1 or v2. As of
+  // @azure/core-rest-pipeline@1.15.0 (a dep of @azure/identity), support for
+  // Node.js <16 has been broken.
+  (semver.gte(tediousVer, '11.0.0') && semver.lt(process.version, '16.0.0'))
 ) {
   console.log(
     `# SKIP tedious@${tediousVer} does not support node ${process.version}`,