fix fuse test issues

Signed-off-by: Arjun Raja Yogidas <[email protected]>

Author: coderbirju

integration/metrics_test.go

@@ -153,10 +153,14 @@ log_fuse_operations = true
 
 	manipulateZtocMetadata := func(zt *ztoc.Ztoc) {
 		for i, md := range zt.FileMetadata {
-			md.UncompressedOffset += 2
-			md.UncompressedSize = math.MaxInt64
-			md.PAXHeaders = map[string]string{"foo": "bar"}
-			zt.FileMetadata[i] = md
+			// Setting UncompressedSize high triggers a "value too large" error
+			// Maniulate regular files to alter ztoc data and trigger fuse ops failure.
+			if md.Type == "reg" {
+				md.UncompressedOffset += 2
+				md.UncompressedSize = math.MaxInt64
+				md.PAXHeaders = map[string]string{"foo": "bar"}
+				zt.FileMetadata[i] = md
+			}
 		}
 	}
 

integration/pull_test.go

@@ -236,7 +236,7 @@ func TestLazyPullWithSparseIndex(t *testing.T) {
 }
 
 func checkFuseMounts(t *testing.T, sh *shell.Shell, remoteSnapshotsExpectedCount int) {
-	mounts := string(sh.O("mount"))
+	mounts := string(sh.O("cat", "/proc/mounts"))
 	remoteSnapshotsActualCount := strings.Count(mounts, "fuse.rawBridge")
 	if remoteSnapshotsExpectedCount != remoteSnapshotsActualCount {
 		t.Fatalf("incorrect number of remote snapshots; expected=%d, actual=%d",