tests: fix test_tooltip_std_racer

tests/fixtures/hover/save_data/test_tooltip_std.rs.0009_012.json

@@ -10,7 +10,7 @@
         "language": "rust",
         "value": "pub fn push(&mut self, value: T)"
       },
-      "Appends an element to the back of a collection.\n\n# Panics\n\nPanics if the number of elements in the vector overflows a `usize`.\n\n# Examples\n\n```rust\nlet mut vec = vec![1, 2];\nvec.push(3);\nassert_eq!(vec, [1, 2, 3]);\n```"
+      "Appends an element to the back of a collection.\n\n# Panics\n\nPanics if the new capacity exceeds `isize::MAX` bytes.\n\n# Examples\n\n```rust\nlet mut vec = vec![1, 2];\nvec.push(3);\nassert_eq!(vec, [1, 2, 3]);\n```"
     ]
   }
 }

tests/fixtures/hover/save_data/test_tooltip_std.rs.0015_017.json

@@ -8,10 +8,10 @@
     "Ok": [
       {
         "language": "rust",
-        "value": "src/liballoc/string.rs"
+        "value": "library/alloc/src/string.rs"
       },
       "https://doc.rust-lang.org/nightly/alloc/string/",
-      "A UTF-8 encoded, growable string.\n\nThis module contains the [`String`] type, a trait for converting\n[`ToString`]s, and several error types that may result from working with\n[`String`]s.\n\n[`ToString`]: trait.ToString.html\n\n# Examples\n\nThere are multiple ways to create a new [`String`] from a string literal:\n\n```rust\nlet s = \"Hello\".to_string();\n\nlet s = String::from(\"world\");\nlet s: String = \"also this\".into();\n```\n\nYou can create a new [`String`] from an existing one by concatenating with\n`+`:\n\n[`String`]: struct.String.html\n\n```rust\nlet s = \"Hello\".to_string();\n\nlet message = s + \" world!\";\n```\n\nIf you have a vector of valid UTF-8 bytes, you can make a [`String`] out of\nit. You can do the reverse too.\n\n```rust\nlet sparkle_heart = vec![240, 159, 146, 150];\n\n// We know these bytes are valid, so we'll use `unwrap()`.\nlet sparkle_heart = String::from_utf8(sparkle_heart).unwrap();\n\nassert_eq!(\"💖\", sparkle_heart);\n\nlet bytes = sparkle_heart.into_bytes();\n\nassert_eq!(bytes, [240, 159, 146, 150]);\n```"
+      "A UTF-8 encoded, growable string.\n\nThis module contains the [`String`] type, a trait for converting\n[`ToString`]s, and several error types that may result from working with\n[`String`]s.\n\n# Examples\n\nThere are multiple ways to create a new [`String`] from a string literal:\n\n```rust\nlet s = \"Hello\".to_string();\n\nlet s = String::from(\"world\");\nlet s: String = \"also this\".into();\n```\n\nYou can create a new [`String`] from an existing one by concatenating with\n`+`:\n\n```rust\nlet s = \"Hello\".to_string();\n\nlet message = s + \" world!\";\n```\n\nIf you have a vector of valid UTF-8 bytes, you can make a [`String`] out of\nit. You can do the reverse too.\n\n```rust\nlet sparkle_heart = vec![240, 159, 146, 150];\n\n// We know these bytes are valid, so we'll use `unwrap()`.\nlet sparkle_heart = String::from_utf8(sparkle_heart).unwrap();\n\nassert_eq!(\"💖\", sparkle_heart);\n\nlet bytes = sparkle_heart.into_bytes();\n\nassert_eq!(bytes, [240, 159, 146, 150]);\n```"
     ]
   }
 }

tests/fixtures/hover/save_data/test_tooltip_std.rs.0015_025.json

@@ -11,7 +11,7 @@
         "value": "pub trait ToString"
       },
       "https://doc.rust-lang.org/nightly/alloc/string/ToString.t.html",
-      "A trait for converting a value to a `String`.\n\nThis trait is automatically implemented for any type which implements the\n[`Display`] trait. As such, `ToString` shouldn't be implemented directly:\n[`Display`] should be implemented instead, and you get the `ToString`\nimplementation for free.\n\n[`Display`]: ../../std/fmt/trait.Display.html"
+      "A trait for converting a value to a `String`.\n\nThis trait is automatically implemented for any type which implements the\n[`Display`] trait. As such, `ToString` shouldn't be implemented directly:\n[`Display`] should be implemented instead, and you get the `ToString`\nimplementation for free.\n\n[`Display`]: fmt::Display"
     ]
   }
 }