Read correct cached VM snapshot in dynamic mode (PRODUCT vs RELEASE) (#25472)

packages/flutter_tools/lib/src/base/build.dart

@@ -359,8 +359,8 @@ class JITSnapshotter {
     final Directory outputDir = fs.directory(outputPath);
     outputDir.createSync(recursive: true);
 
-    final String engineVmSnapshotData = artifacts.getArtifactPath(Artifact.vmSnapshotData);
-    final String engineIsolateSnapshotData = artifacts.getArtifactPath(Artifact.isolateSnapshotData);
+    final String engineVmSnapshotData = artifacts.getArtifactPath(Artifact.vmSnapshotData, null, buildMode);
+    final String engineIsolateSnapshotData = artifacts.getArtifactPath(Artifact.isolateSnapshotData, null, buildMode);
     final String isolateSnapshotData = fs.path.join(outputDir.path, 'isolate_snapshot_data');
     final String isolateSnapshotInstructions = fs.path.join(outputDir.path, 'isolate_snapshot_instr');
 

packages/flutter_tools/test/base/build_test.dart

@@ -526,8 +526,13 @@ void main() {
       snapshotter = JITSnapshotter();
       mockAndroidSdk = MockAndroidSdk();
       mockArtifacts = MockArtifacts();
-      when(mockArtifacts.getArtifactPath(Artifact.vmSnapshotData)).thenReturn(kEngineVmSnapshotData);
-      when(mockArtifacts.getArtifactPath(Artifact.isolateSnapshotData)).thenReturn(kEngineIsolateSnapshotData);
+
+      for (BuildMode mode in BuildMode.values) {
+        when(mockArtifacts.getArtifactPath(Artifact.vmSnapshotData, null, mode))
+            .thenReturn(kEngineVmSnapshotData);
+        when(mockArtifacts.getArtifactPath(Artifact.isolateSnapshotData, null, mode))
+            .thenReturn(kEngineIsolateSnapshotData);
+      }
     });
 
     final Map<Type, Generator> contextOverrides = <Type, Generator>{