test_runner: extend reporterColorMap for diagnostic levels

Enhanced  to include colors for the following
diagnostic levels:
 : blue
 : gray
 : yellow
 : red

Ensures consistency in color-coding across the reporter.

Refs: nodejs#55922

lib/internal/test_runner/reporter/utils.js

@@ -17,7 +17,7 @@ const inspectOptions = {
 };
 
 const reporterUnicodeSymbolMap = {
-  '__proto__': null,
+  __proto__: null,
   'test:fail': '\u2716 ',
   'test:pass': '\u2714 ',
   'test:diagnostic': '\u2139 ',
@@ -27,7 +27,7 @@ const reporterUnicodeSymbolMap = {
 };
 
 const reporterColorMap = {
-  '__proto__': null,
+  __proto__: null,
   get 'test:fail'() {
     return colors.red;
   },
@@ -37,6 +37,18 @@ const reporterColorMap = {
   get 'test:diagnostic'() {
     return colors.blue;
   },
+  get info() {
+    return colors.blue;
+  },
+  get debug() {
+    return colors.gray;
+  },
+  get warn() {
+    return colors.yellow;
+  },
+  get error() {
+    return colors.red;
+  },
 };
 
 function indent(nesting) {
@@ -54,16 +66,26 @@ function formatError(error, indent) {
   const message = ArrayPrototypeJoin(
     RegExpPrototypeSymbolSplit(
       hardenRegExp(/\r?\n/),
-      inspectWithNoCustomRetry(err, inspectOptions),
-    ), `\n${indent}  `);
+      inspectWithNoCustomRetry(err, inspectOptions)
+    ),
+    `\n${indent}  `
+  );
   return `\n${indent}  ${message}\n`;
 }
 
-function formatTestReport(type, data, prefix = '', indent = '', hasChildren = false) {
+function formatTestReport(
+  type,
+  data,
+  prefix = '',
+  indent = '',
+  hasChildren = false
+) {
   let color = reporterColorMap[type] ?? colors.white;
   let symbol = reporterUnicodeSymbolMap[type] ?? ' ';
   const { skip, todo } = data;
-  const duration_ms = data.details?.duration_ms ? ` ${colors.gray}(${data.details.duration_ms}ms)${colors.white}` : '';
+  const duration_ms = data.details?.duration_ms
+    ? ` ${colors.gray}(${data.details.duration_ms}ms)${colors.white}`
+    : '';
   let title = `${data.name}${duration_ms}`;
 
   if (skip !== undefined) {
@@ -72,9 +94,11 @@ function formatTestReport(type, data, prefix = '', indent = '', hasChildren = fa
     title += ` # ${typeof todo === 'string' && todo.length ? todo : 'TODO'}`;
   }
   const error = formatError(data.details?.error, indent);
-  const err = hasChildren ?
-    (!error || data.details?.error?.failureType === 'subtestsFailed' ? '' : `\n${error}`) :
-    error;
+  const err = hasChildren
+    ? !error || data.details?.error?.failureType === 'subtestsFailed'
+      ? ''
+      : `\n${error}`
+    : error;
   if (skip !== undefined) {
     color = colors.gray;
     symbol = reporterUnicodeSymbolMap['hyphen:minus'];