Edburns/resolve fake test time token failures

pom.xml

@@ -319,6 +319,7 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.5.5</version>
                 <configuration>
+                    <runOrder>alphabetical</runOrder>
                     <!-- Inject JaCoCo agent + any JDK-version-specific flags -->
                     <argLine>${testExecutionAgentArgs} ${surefire.jvm.args}</argLine>
                     <!--

src/test/java/com/github/copilot/sdk/CapiProxy.java

@@ -98,6 +98,10 @@ public String start() throws IOException, InterruptedException {
                 : new ProcessBuilder("npx", "tsx", "server.ts");
         pb.directory(harnessDir.toFile());
         pb.redirectErrorStream(false);
+        // Tell the replaying proxy to fail fast on unmatched requests rather than
+        // forwarding them to the real API. Without this, unmatched requests hit the
+        // live API with a fake token and crash the proxy's JSON parser.
+        pb.environment().put("GITHUB_ACTIONS", "true");
 
         process = pb.start();
 

src/test/java/com/github/copilot/sdk/CompactionTest.java

@@ -12,6 +12,7 @@
 
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Timeout;
 
@@ -52,10 +53,17 @@ static void teardown() throws Exception {
     /**
      * Verifies that compaction is triggered with low threshold and emits events.
      *
+     * <p>
+     * Disabled due to flakiness — compaction timing is non-deterministic and the
+     * snapshot cannot reliably match across platforms. The reference implementation
+     * (nodejs) also skips this test. See <a href=
+     * "https://github.com/github/copilot-sdk/issues/1227">copilot-sdk#1227</a>.
+     *
      * @see Snapshot:
      *      compaction/should_trigger_compaction_with_low_threshold_and_emit_events
      */
     @Test
+    @Disabled("Flaky: compaction timing varies by platform — see https://github.com/github/copilot-sdk/issues/1227")
     @Timeout(value = 300, unit = TimeUnit.SECONDS)
     void testShouldTriggerCompactionWithLowThresholdAndEmitEvents() throws Exception {
         ctx.configureForTest("compaction", "should_trigger_compaction_with_low_threshold_and_emit_events");

src/test/java/com/github/copilot/sdk/E2ETestContext.java

@@ -270,15 +270,10 @@ public Map<String, String> getEnvironment() {
             env.put("REQUESTS_CA_BUNDLE", caFile);
             env.put("CURL_CA_BUNDLE", caFile);
             env.put("GIT_SSL_CAINFO", caFile);
-            env.put("GH_TOKEN", "");
-            env.put("GITHUB_TOKEN", "");
-            env.put("GH_ENTERPRISE_TOKEN", "");
-            env.put("GITHUB_ENTERPRISE_TOKEN", "");
-        }
-
-        if ("true".equals(System.getenv("GITHUB_ACTIONS"))) {
             env.put("GH_TOKEN", "fake-token-for-e2e-tests");
             env.put("GITHUB_TOKEN", "fake-token-for-e2e-tests");
+            env.put("GH_ENTERPRISE_TOKEN", "");
+            env.put("GITHUB_ENTERPRISE_TOKEN", "");
         }
 
         return env;
@@ -291,13 +286,7 @@ public Map<String, String> getEnvironment() {
      */
     public CopilotClient createClient() {
         CopilotClientOptions options = new CopilotClientOptions().setCliPath(cliPath).setCwd(workDir.toString())
-                .setEnvironment(getEnvironment());
-
-        // In CI (GitHub Actions), use a fake token to avoid auth issues
-        String ci = System.getenv("GITHUB_ACTIONS");
-        if (ci != null && !ci.isEmpty()) {
-            options.setGitHubToken("fake-token-for-e2e-tests");
-        }
+                .setEnvironment(getEnvironment()).setGitHubToken("fake-token-for-e2e-tests");
 
         return new CopilotClient(options);
     }
@@ -321,10 +310,7 @@ public CopilotClient createClient(CopilotClientOptions options) {
         if (options.getEnvironment() == null || options.getEnvironment().isEmpty()) {
             options.setEnvironment(getEnvironment());
         }
-
-        // In CI (GitHub Actions), use a fake token to avoid auth issues
-        String ci = System.getenv("GITHUB_ACTIONS");
-        if (ci != null && !ci.isEmpty() && options.getGitHubToken() == null) {
+        if (options.getGitHubToken() == null) {
             options.setGitHubToken("fake-token-for-e2e-tests");
         }
 

src/test/java/com/github/copilot/sdk/ExecutorWiringTest.java

@@ -87,12 +87,8 @@ int getTaskCount() {
 
     private CopilotClientOptions createOptionsWithExecutor(TrackingExecutor executor) {
         CopilotClientOptions options = new CopilotClientOptions().setCliPath(ctx.getCliPath())
-                .setCwd(ctx.getWorkDir().toString()).setEnvironment(ctx.getEnvironment()).setExecutor(executor);
-
-        String ci = System.getenv("GITHUB_ACTIONS");
-        if (ci != null && !ci.isEmpty()) {
-            options.setGitHubToken("fake-token-for-e2e-tests");
-        }
+                .setCwd(ctx.getWorkDir().toString()).setEnvironment(ctx.getEnvironment()).setExecutor(executor)
+                .setGitHubToken("fake-token-for-e2e-tests");
         return options;
     }