From abb1bf3572ab0e99f5bcb9014c278f325580a2a7 Mon Sep 17 00:00:00 2001
From: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>
Date: Thu, 25 Jan 2024 11:08:29 +0100
Subject: [PATCH] header values are be expected to be W3C baggage encoded

---
 .../java/io/micrometer/registry/otlp/OtlpConfigTest.java    | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpConfigTest.java b/implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpConfigTest.java
index e623f6130f..f276aa2442 100644
--- a/implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpConfigTest.java
+++ b/implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpConfigTest.java
@@ -101,8 +101,10 @@ void headersConfigTakesPrecedenceOverEnvVars() throws Exception {
     @Test
     void headersUseEnvVarWhenConfigNotSet() throws Exception {
         OtlpConfig config = k -> null;
-        withEnvironmentVariable("OTEL_EXPORTER_OTLP_HEADERS", "header2=va%20lue")
-            .execute(() -> assertThat(config.headers()).containsEntry("header2", "va lue").hasSize(1));
+        withEnvironmentVariable("OTEL_EXPORTER_OTLP_HEADERS", "header2=va%20lue,header3=f oo")
+            .execute(() -> assertThat(config.headers()).containsEntry("header2", "va lue")
+                .containsEntry("header3", "f oo")
+                .hasSize(2));
     }
 
     @Test