Add exponential histogram buckets for test duration metrics

Implements histogram buckets following a 1-3-10 exponential pattern: [0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100] seconds

Author: bobymicroby

dist/index.js

@@ -125,10 +125,10 @@ describe('generateMetrics', () => {
     )
 
     expect(testDuration?.buckets).toEqual([
-      0.1, 0.5, 1, 5, 10, 30, 60, 120, 300, 600
+      0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100
     ])
     expect(suiteDuration?.buckets).toEqual([
-      0.1, 0.5, 1, 5, 10, 30, 60, 120, 300, 600
+      0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100
     ])
   })
 

dist/index.js.map

@@ -54,7 +54,7 @@ const generateSuiteMetrics = (
     attributes: suiteAttributes,
     description: 'Test suite execution time (from XML time attribute)',
     unit: 's',
-    buckets: [0.1, 0.5, 1, 5, 10, 30, 60, 120, 300, 600]
+    buckets: [0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100]
   })
 
   metrics.push({
@@ -64,7 +64,7 @@ const generateSuiteMetrics = (
     attributes: suiteAttributes,
     description: 'Test suite cumulative time (calculated from child elements)',
     unit: 's',
-    buckets: [0.1, 0.5, 1, 5, 10, 30, 60, 120, 300, 600]
+    buckets: [0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100]
   })
 
   const statusCounts = [
@@ -124,7 +124,7 @@ const generateTestCaseMetrics = (
     attributes: testAttributes,
     description: 'Individual test execution time',
     unit: 's',
-    buckets: [0.1, 0.5, 1, 5, 10, 30, 60, 120, 300, 600]
+    buckets: [0.01, 0.03, 0.1, 0.3, 1, 3, 10, 30, 100]
   })
 
   metrics.push({