tests: fix test-fold-copytrace.t on case-insensitive filesystems

Summary: drawdag automatically generates files A and B, which collide with existing files a and b on case‑insensitive filesystems and cause unexpected failures.

Reviewed By: muirdm

Differential Revision: D76041683

fbshipit-source-id: e5413542e082ae09c67325f012a51c055d646004

Author: zzl0

eden/scm/tests/test-fold-copytrace.t

@@ -1,5 +1,3 @@
-#require no-windows
-
   $ setconfig copytrace.fallback-to-content-similarity=True
 
 test fold skipping content similarity check for large files
@@ -8,6 +6,7 @@ test fold skipping content similarity check for large files
   > B  # B/b = 1b\n2\n3\n
   > |
   > A  # A/a = 1\n2\n3\n
+  >    # drawdag.defaultfiles=false
   > EOS
 
   $ hg go -q $B
@@ -18,13 +17,13 @@ test fold skipping content similarity check for large files
   $ echo 1 >> d
   $ hg ci -Aqm 'add d'
   $ hg log -G -T '{node|short} {desc|firstline}\n'
-  @  ca0dda5636a7 add d
+  @  e9161e07fee8 add d
   │
-  o  036a2c1ceb15 add c, remove a
+  o  17061d7ed629 add c, remove a
   │
-  o  c41733be38d4 B
+  o  b184ef56f3b9 B
   │
-  o  d177b9890a58 A
+  o  7f330679d309 A
   $ SL_LOG=copytrace=debug hg fold --from .^ --config copytrace.large-file-threshold=1 2>&1 | grep "file too large"
   DEBUG copytrace::rename_finders: file too large, skipping content similarity check large_file_threshold=ByteCount(1) source_content_len=6
   DEBUG copytrace::rename_finders: file too large, skipping content similarity check large_file_threshold=ByteCount(1) source_content_len=2
@@ -39,6 +38,7 @@ test fold with content similarity check
   > B  # B/b = 1b\n2\n3\n
   > |
   > A  # A/a = 1\n2\n3\n
+  >    # drawdag.defaultfiles=false
   > EOS
 
   $ hg go -q $B
@@ -49,13 +49,13 @@ test fold with content similarity check
   $ echo 1 >> d
   $ hg ci -Aqm 'add d'
   $ hg log -G -T '{node|short} {desc|firstline}\n'
-  @  ca0dda5636a7 add d
+  @  e9161e07fee8 add d
   │
-  o  036a2c1ceb15 add c, remove a
+  o  17061d7ed629 add c, remove a
   │
-  o  c41733be38d4 B
+  o  b184ef56f3b9 B
   │
-  o  d177b9890a58 A
+  o  7f330679d309 A
   $ SL_LOG=copytrace=debug hg fold --from .^ --config copytrace.large-file-threshold=1MB 2>&1 | grep "file too large"
   [1]
   $ hg st --change . --copies