test(codegen): update codegen unit tests (#7525)

Author: kuhe

codegen/smithy-aws-typescript-codegen/src/test/java/software/amazon/smithy/aws/typescript/codegen/AwsServiceIdIntegrationTest.java

@@ -46,6 +46,7 @@ public void testFirstNotCapitalizedServiceId() {
         Shape service = model.expectShape((ShapeId.from("smithy.example#OriginalName")));
         AwsServiceIdIntegration integration = new AwsServiceIdIntegration();
         TypeScriptSettings settings = new TypeScriptSettings();
+        settings.setService(ShapeId.from("smithy#Placeholder"));
         SymbolProvider provider = TypeScriptSettings.ArtifactType.CLIENT.createSymbolProvider(model, settings);
         SymbolProvider decorated = integration.decorateSymbolProvider(model, settings, provider);
         Symbol symbol = decorated.toSymbol(service);
@@ -66,6 +67,7 @@ public void testRestNotCapitalizedServiceId() {
         Shape service = model.expectShape((ShapeId.from("smithy.example#OriginalName")));
         AwsServiceIdIntegration integration = new AwsServiceIdIntegration();
         TypeScriptSettings settings = new TypeScriptSettings();
+        settings.setService(ShapeId.from("smithy#Placeholder"));
         SymbolProvider provider = TypeScriptSettings.ArtifactType.CLIENT.createSymbolProvider(model, settings);
         SymbolProvider decorated = integration.decorateSymbolProvider(model, settings, provider);
         Symbol symbol = decorated.toSymbol(service);