Read error message from stderr in New Component command

Author: dgolovin

src/odo.ts

@@ -345,7 +345,7 @@ export class OdoImpl implements Odo {
     public async getServiceTemplates(): Promise<string[]> {
         const result: cliInstance.CliExitData = await this.execute(Command.listCatalogServices(), process.cwd(), false);
         if (result.error) {
-            throw new Error(result.stdout.trim());
+            throw new Error(result.stderr.trim());
         }
         return result.stdout.trim().split('\n').slice(1).map((value) => value.trim().replace(/\s{1,}/g, '|').split('|')[0]);
     }

test/odo.test.ts

@@ -219,10 +219,10 @@ suite("odo", () => {
             expect(result).empty;
         });
 
-        test('getServiceTemplates trows exception if service catalog is not enabled', async () => {
-            const stdout = 'error message';
-            execStub.resolves({error: new Error(), stdout, stderr: ''});
-            let e;
+        test('getServiceTemplates throws exception if service catalog is not enabled', async () => {
+            const stderr = 'error message';
+            execStub.resolves({error: new Error(), stdout: '', stderr});
+            let e: Error;
             try {
                 await odoCli.getServiceTemplates();
             } catch (err) {
@@ -231,7 +231,7 @@ suite("odo", () => {
 
             expect(e, 'getServiceTemplates has not threw error').is.not.undefined;
             expect(e.message, 'error has no message fields').is.not.undefined;
-            expect(e.message, 'message is not equal stdout stream output').equals(stdout);
+            expect(e.message, 'message is not equal stdout stream output').equals(stderr);
 
         });