Tests do actually import predicates, so restore dependency with looser bounds

Cargo.lock

@@ -242,6 +242,7 @@ dependencies = [
  "log",
  "mimalloc",
  "owo-colors",
+ "predicates",
  "pretty_assertions",
  "pretty_env_logger",
  "radix-heap",
@@ -308,6 +309,15 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
+[[package]]
+name = "float-cmp"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -576,6 +586,21 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "normalize-line-endings"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
@@ -634,8 +659,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
 dependencies = [
  "difflib",
+ "float-cmp",
  "itertools 0.10.5",
+ "normalize-line-endings",
  "predicates-core",
+ "regex",
 ]
 
 [[package]]

Cargo.toml

@@ -85,6 +85,7 @@ smallvec = "1.13.2"
 [dev-dependencies]
 # assert_cmd 2.0.6 requires rust 1.60
 assert_cmd = ">= 2, <= 2.0.5"
+predicates = "2.1.0"
 
 pretty_assertions = "1.3.0"