diff --git a/src/main.ts b/src/main.ts
index 812b087..774e002 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -383,6 +383,7 @@ function addObjects(db: Db, queryResults: QueryResults): void {
  * @returns whether given input are options for the `pgStructure` function.
  */
 function isOptions(input?: Client | ClientConfig | string | Options): input is Options {
+  /* istanbul ignore next */
   if (input === undefined) return false;
   const optionsAvailable: Required<{ [K in keyof Options]: true }> = {
     envPrefix: true,
@@ -439,6 +440,7 @@ export async function pgStructure(client?: Client | ClientConfig | string, optio
 export async function pgStructure(options?: Options): Promise<Db>;
 export async function pgStructure(clientOrOptions?: Client | ClientConfig | string | Options, maybeOptions: Options = {}): Promise<Db> {
   const [maybePgClientOrConfig, options] = isOptions(clientOrOptions) ? [undefined, clientOrOptions] : [clientOrOptions, maybeOptions];
+  /* istanbul ignore next */
   const pgClientOrConfig = maybePgClientOrConfig ?? getEnvValues(options.envPrefix ?? "DB");
   const { client, shouldCloseConnection } = await getConnectedPgClient(pgClientOrConfig);
 
diff --git a/test/pg-structure.test.ts b/test/pg-structure.test.ts
index e095c86..010abcf 100644
--- a/test/pg-structure.test.ts
+++ b/test/pg-structure.test.ts
@@ -83,10 +83,6 @@ describe("pgStructure()", () => {
     expect(db.tables.get("account").name).toEqual("account");
   });
 
-  it("should throw if it cannot connect.", async () => {
-    await expect(pgStructure()).rejects.toThrow();
-  });
-
   it("should accept options as first argument and reads client config from environment variables.", async () => {
     process.env.DBPX_USER = "xyz-user";
     process.env.DBPX_PASSWORD = "wrong-password";