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Apply quick wins and pipeline fixes for integration tests:
- Remove is_test_data flag from location inserts
- Increase test delay from 2.5s to 5s and add delays between suites to curb rate limiting
- Replace [object Object] error formatting with formatTestError across 10 test suites (31 edits) and add import
- Refactor unit/conversion tests and performance tests to use the approval pipeline
- Extend edge function handling by ensuring item_ids are included in idempotency key inserts (edge function fix)
- Update auth, data integrity, edgeFunction, moderation, performance, submission, unitConversion, and versioning test files accordingly

src/lib/integrationTests/testRunner.ts

@@ -53,9 +53,9 @@ export class IntegrationTestRunner {
   private onProgress?: (result: TestResult) => void;
   private delayBetweenTests: number;
 
-  constructor(onProgress?: (result: TestResult) => void, delayBetweenTests: number = 2500) {
+  constructor(onProgress?: (result: TestResult) => void, delayBetweenTests: number = 5000) {
     this.onProgress = onProgress;
-    this.delayBetweenTests = delayBetweenTests; // Default 2.5 seconds to prevent rate limiting
+    this.delayBetweenTests = delayBetweenTests; // Default 5 seconds to prevent rate limiting
   }
 
   /**
@@ -189,12 +189,41 @@ export class IntegrationTestRunner {
     this.isRunning = true;
     this.shouldStop = false;
     
-    for (const suite of suites) {
-      await this.runSuite(suite);
+    for (let i = 0; i < suites.length; i++) {
+      await this.runSuite(suites[i]);
       
       if (this.shouldStop) {
         break;
       }
+      
+      // Add delay between suites to prevent rate limiting
+      if (i < suites.length - 1 && this.delayBetweenTests > 0) {
+        const delaySeconds = this.delayBetweenTests / 1000;
+        const delayResult: TestResult = {
+          id: `suite-delay-${Date.now()}`,
+          name: `⏳ Suite completion delay: ${delaySeconds}s`,
+          suite: 'System',
+          status: 'running',
+          duration: 0,
+          timestamp: new Date().toISOString(),
+          details: { reason: 'Pausing between suites to prevent rate limiting' }
+        };
+        
+        if (this.onProgress) {
+          this.onProgress(delayResult);
+        }
+        
+        await this.delay(this.delayBetweenTests);
+        
+        if (this.onProgress) {
+          this.onProgress({ 
+            ...delayResult, 
+            status: 'skip', 
+            duration: this.delayBetweenTests,
+            details: { reason: 'Suite delay completed' }
+          });
+        }
+      }
     }
     
     this.isRunning = false;