test: Fix missing lazy modules resulting in test failures

Author: IchordeDionysos

packages/angular/build/src/builders/application/tests/options/subresource-integrity_spec.ts

@@ -126,6 +126,9 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
     });
 
     it(`places the importmap before any module script tag`, async () => {
+      await harness.writeFiles(lazyModuleFiles);
+      await harness.writeFiles(lazyModuleFnImport);
+
       harness.useTarget('build', {
         ...BASE_OPTIONS,
         subresourceIntegrity: true,
@@ -136,7 +139,9 @@ describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
 
       const indexHtml = harness.readFile('dist/browser/index.html');
       const importmapIdx = indexHtml.indexOf('<script type="importmap">');
-      const moduleScriptIdx = indexHtml.indexOf('<script src=');
+      const moduleScriptMatch = indexHtml.match(/<script[^>]*type="module"[^>]*>/);
+      const moduleScriptIdx = moduleScriptMatch ? moduleScriptMatch.index ?? -1 : -1;
+
       expect(importmapIdx).toBeGreaterThanOrEqual(0);
       expect(moduleScriptIdx).toBeGreaterThanOrEqual(0);
       expect(importmapIdx)