Add unit test for default package description updated based on artifact type

Author: AndrewFossAWS

smithy-typescript-codegen/src/test/java/software/amazon/smithy/typescript/codegen/PackageJsonGeneratorTest.java

@@ -49,4 +49,4 @@ private static Stream<Arguments> providePackageDescriptionTestCases() {
             Arguments.of(TypeScriptSettings.ArtifactType.CLIENT, "example client")
         );
     }
-}
+}

smithy-typescript-codegen/src/test/java/software/amazon/smithy/typescript/codegen/TypeScriptSettingsTest.java

@@ -1,24 +1,20 @@
 package software.amazon.smithy.typescript.codegen;
 
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.containsString;
-import static org.hamcrest.Matchers.equalTo;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
-import software.amazon.smithy.build.MockManifest;
 import software.amazon.smithy.model.Model;
 import software.amazon.smithy.model.node.Node;
 import software.amazon.smithy.model.node.ObjectNode;
 import software.amazon.smithy.model.shapes.ShapeId;
 
-import java.util.HashMap;
 import java.util.stream.Stream;
 
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 public class TypeScriptSettingsTest {
 
     @Test
@@ -81,7 +77,7 @@ void expectPackageDescriptionUpdatedByArtifactType(TypeScriptSettings.ArtifactTy
 
         final TypeScriptSettings typeScriptSettings = TypeScriptSettings.from(model, settings, artifactType);
 
-        assertThat(typeScriptSettings.getPackageDescription(), containsString(expectedDescription));
+        assertEquals(typeScriptSettings.getPackageDescription(), expectedDescription);
     }
 
     private static Stream<Arguments> providePackageDescriptionTestCases() {