Update unseparated_literal_suffix tests

Author: dswij

tests/ui-toml/separated_literal_suffix/clippy.toml

@@ -0,0 +1 @@
+literal-suffix-style = "separated"

tests/ui-toml/separated_literal_suffix/literal_suffix.rs

@@ -0,0 +1,6 @@
+#![warn(clippy::unseparated_literal_suffix)]
+
+fn main() {
+    let _ = 123i32; // warns
+    let _ = 123_i32;
+}

tests/ui-toml/separated_literal_suffix/literal_suffix.stderr

@@ -0,0 +1,10 @@
+error: integer type suffix should be separated by an underscore
+  --> $DIR/literal_suffix.rs:4:13
+   |
+LL |     let _ = 123i32; // warns
+   |             ^^^^^^ help: add an underscore: `123_i32`
+   |
+   = note: `-D clippy::unseparated-literal-suffix` implied by `-D warnings`
+
+error: aborting due to previous error
+

tests/ui-toml/toml_unknown_key/conf_unknown_key.stderr

@@ -1,4 +1,4 @@
-error: error reading Clippy's configuration file `$DIR/clippy.toml`: unknown field `foobar`, expected one of `avoid-breaking-exported-api`, `msrv`, `blacklisted-names`, `cognitive-complexity-threshold`, `cyclomatic-complexity-threshold`, `doc-valid-idents`, `too-many-arguments-threshold`, `type-complexity-threshold`, `single-char-binding-names-threshold`, `too-large-for-stack`, `enum-variant-name-threshold`, `enum-variant-size-threshold`, `verbose-bit-mask-threshold`, `literal-representation-threshold`, `trivial-copy-size-limit`, `pass-by-value-size-limit`, `too-many-lines-threshold`, `array-size-threshold`, `vec-box-size-threshold`, `max-trait-bounds`, `max-struct-bools`, `max-fn-params-bools`, `warn-on-all-wildcard-imports`, `disallowed-methods`, `disallowed-types`, `unreadable-literal-lint-fractions`, `upper-case-acronyms-aggressive`, `cargo-ignore-publish`, `standard-macro-braces`, `enforced-import-renames`, `allowed-scripts`, `third-party` at line 5 column 1
+error: error reading Clippy's configuration file `$DIR/clippy.toml`: unknown field `foobar`, expected one of `avoid-breaking-exported-api`, `msrv`, `blacklisted-names`, `cognitive-complexity-threshold`, `cyclomatic-complexity-threshold`, `doc-valid-idents`, `too-many-arguments-threshold`, `type-complexity-threshold`, `single-char-binding-names-threshold`, `too-large-for-stack`, `enum-variant-name-threshold`, `enum-variant-size-threshold`, `verbose-bit-mask-threshold`, `literal-representation-threshold`, `trivial-copy-size-limit`, `pass-by-value-size-limit`, `too-many-lines-threshold`, `array-size-threshold`, `vec-box-size-threshold`, `max-trait-bounds`, `max-struct-bools`, `max-fn-params-bools`, `warn-on-all-wildcard-imports`, `disallowed-methods`, `disallowed-types`, `unreadable-literal-lint-fractions`, `upper-case-acronyms-aggressive`, `cargo-ignore-publish`, `standard-macro-braces`, `enforced-import-renames`, `allowed-scripts`, `literal-suffix-style`, `third-party` at line 5 column 1
 
 error: aborting due to previous error
 

tests/ui-toml/unseparated_literal_suffix/clippy.toml

@@ -0,0 +1 @@
+literal-suffix-style = "unseparated"

tests/ui-toml/unseparated_literal_suffix/literal_suffix.rs

@@ -0,0 +1,6 @@
+#![warn(clippy::unseparated_literal_suffix)]
+
+fn main() {
+    let _ = 123i32;
+    let _ = 123_i32; // warns
+}

tests/ui-toml/unseparated_literal_suffix/literal_suffix.stderr

@@ -0,0 +1,10 @@
+error: integer type suffix should not be separated by an underscore
+  --> $DIR/literal_suffix.rs:5:13
+   |
+LL |     let _ = 123_i32; // warns
+   |             ^^^^^^^ help: remove the underscore: `123_`
+   |
+   = note: `-D clippy::unseparated-literal-suffix` implied by `-D warnings`
+
+error: aborting due to previous error
+