fix. "Run TestConnection function" not rebuilding extension package file (#196)

Author: albertli-msft

src/pqTestConnector/PqServiceHostClient.ts

@@ -794,8 +794,11 @@ export class PqServiceHostClient implements IPQTestService, IDisposable {
         }
     }
 
-    TestConnection(): Promise<GenericResult> {
+    async TestConnection(): Promise<GenericResult> {
         if (this.serverTransportTuple) {
+            // maybe we need to execute the build task before evaluating.
+            await this.ExecuteBuildTaskAndAwaitIfNeeded();
+
             const theRequestMessage: PqServiceHostRequest = {
                 jsonrpc: JSON_RPC_VERSION,
                 id: this.nextSequenceId,

src/pqTestConnector/PqTestExecutableTaskQueue.ts

@@ -613,7 +613,10 @@ export class PqTestExecutableTaskQueue implements IPQTestService, IDisposable {
         });
     }
 
-    public TestConnection(): Promise<GenericResult> {
+    public async TestConnection(): Promise<GenericResult> {
+        // maybe we need to execute the build task before evaluating.
+        await this.ExecuteBuildTaskAndAwaitIfNeeded();
+
         return this.doEnqueueOneTask<GenericResult>({
             operation: "test-connection",
             pathToConnector: resolveSubstitutedValues(ExtensionConfigurations.DefaultExtensionLocation),