chore(scorecard): fix validateThresholds error message (#2843)

Signed-off-by: Christoph Jerolimov <jerolimov+git@redhat.com>

Author: christoph-jerolimov

workspaces/scorecard/plugins/scorecard-node/src/utils/thresholds/validateThresholds.test.ts

@@ -266,7 +266,7 @@ describe('validateThresholds', () => {
 
       expect(() => validateThresholds(config, 'number')).toThrow(
         new ThresholdConfigFormatError(
-          "Custom threshold key \"critical\" must specify a color or icon property. Only standard keys ('success', 'warning', 'error') have default colors and icons.",
+          "Custom threshold key \"critical\" must specify a color and icon property. Only standard keys ('success', 'warning', 'error') have default colors and icons.",
         ),
       );
     });
@@ -285,7 +285,7 @@ describe('validateThresholds', () => {
 
       expect(() => validateThresholds(config, 'number')).toThrow(
         new ThresholdConfigFormatError(
-          "Custom threshold key \"critical\" must specify a color or icon property. Only standard keys ('success', 'warning', 'error') have default colors and icons.",
+          "Custom threshold key \"critical\" must specify a color and icon property. Only standard keys ('success', 'warning', 'error') have default colors and icons.",
         ),
       );
     });

workspaces/scorecard/plugins/scorecard-node/src/utils/thresholds/validateThresholds.ts

@@ -152,7 +152,7 @@ export function validateThresholds(
       throw new ThresholdConfigFormatError(
         `Custom threshold key "${
           rule.key
-        }" must specify a color or icon property. Only standard keys (${standardThresholdRuleKeys
+        }" must specify a color and icon property. Only standard keys (${standardThresholdRuleKeys
           .map(k => `'${k}'`)
           .join(', ')}) have default colors and icons.`,
       );