test(exporter-jaeger): clean up OTEL_EXPORTER_JAEGER_AGENT_PORT between tests (#6003)

Author: cjihrig

CHANGELOG.md

@@ -30,6 +30,7 @@ For notes on migrating to 2.x / 0.200.x see [the upgrade guide](doc/upgrade-to-2
 ### :house: Internal
 
 * test(shim-opentracing): add comparison thresholds in flaky assertions [#5974](https://github.com/open-telemetry/opentelemetry-js/pull/5974) @cjihrig
+* test(exporter-jaeger): clean up OTEL_EXPORTER_JAEGER_AGENT_PORT between tests [#xxxx](https://github.com/open-telemetry/opentelemetry-js/pull/xxxx) @cjihrig
 
 ## 2.1.0
 

packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts

@@ -60,6 +60,7 @@ describe('JaegerExporter', () => {
   describe('constructor', () => {
     afterEach(() => {
       delete process.env.OTEL_EXPORTER_JAEGER_AGENT_HOST;
+      delete process.env.OTEL_EXPORTER_JAEGER_AGENT_PORT;
     });
 
     it('should construct an exporter', () => {