diff --git a/src/testRunner/unittests/tsbuild/missingExtendedFile.ts b/src/testRunner/unittests/tsbuild/missingExtendedFile.ts
index 7fa3352da26..398b38fdbea 100644
--- a/src/testRunner/unittests/tsbuild/missingExtendedFile.ts
+++ b/src/testRunner/unittests/tsbuild/missingExtendedFile.ts
@@ -1,17 +1,17 @@
 namespace ts {
     describe("unittests:: tsbuild:: when tsconfig extends the missing file", () => {
-        it("unittests:: tsbuild - when tsconfig extends the missing file", () => {
-            const projFs = loadProjectFromDisk("tests/projects/missingExtendedConfig");
-            const fs = projFs.shadow();
-            const host = fakes.SolutionBuilderHost.create(fs);
-            const builder = createSolutionBuilder(host, ["/src/tsconfig.json"], {});
-            builder.build();
-            host.assertDiagnosticMessages(
-                errorDiagnostic([Diagnostics.The_specified_path_does_not_exist_Colon_0, "/src/foobar.json"]),
-                errorDiagnostic([Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, "/src/tsconfig.first.json", "[\"**/*\"]", "[]"]),
-                errorDiagnostic([Diagnostics.The_specified_path_does_not_exist_Colon_0, "/src/foobar.json"]),
-                errorDiagnostic([Diagnostics.No_inputs_were_found_in_config_file_0_Specified_include_paths_were_1_and_exclude_paths_were_2, "/src/tsconfig.second.json", "[\"**/*\"]", "[]"])
-            );
+        let projFs: vfs.FileSystem;
+        before(() => {
+            projFs = loadProjectFromDisk("tests/projects/missingExtendedConfig");
+        });
+        after(() => {
+            projFs = undefined!;
+        });
+        verifyTsc({
+            scenario: "missingExtendedConfig",
+            subScenario: "when tsconfig extends the missing file",
+            fs: () => projFs,
+            commandLineArgs: ["--b", "/src/tsconfig.json"],
         });
     });
 }
diff --git a/tests/baselines/reference/tsbuild/missingExtendedConfig/initial-build/when-tsconfig-extends-the-missing-file.js b/tests/baselines/reference/tsbuild/missingExtendedConfig/initial-build/when-tsconfig-extends-the-missing-file.js
new file mode 100644
index 00000000000..1221147bc8e
--- /dev/null
+++ b/tests/baselines/reference/tsbuild/missingExtendedConfig/initial-build/when-tsconfig-extends-the-missing-file.js
@@ -0,0 +1,9 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc --b /src/tsconfig.json
+error TS5058: The specified path does not exist: '/src/foobar.json'.
+error TS18003: No inputs were found in config file '/src/tsconfig.first.json'. Specified 'include' paths were '["**/*"]' and 'exclude' paths were '[]'.
+error TS5058: The specified path does not exist: '/src/foobar.json'.
+error TS18003: No inputs were found in config file '/src/tsconfig.second.json'. Specified 'include' paths were '["**/*"]' and 'exclude' paths were '[]'.
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped
+
+