Add rustfix to inconsistent_digit_grouping test

Author: detrumi

tests/ui/inconsistent_digit_grouping.fixed

@@ -0,0 +1,15 @@
+// run-rustfix
+#[warn(clippy::inconsistent_digit_grouping)]
+#[allow(unused_variables, clippy::excessive_precision)]
+fn main() {
+    let good = (
+        123,
+        1_234,
+        1_2345_6789,
+        123_f32,
+        1_234.12_f32,
+        1_234.123_4_f32,
+        1.123_456_7_f32,
+    );
+    let bad = (123_456, 12_345_678, 1_234_567, 1_234.567_8_f32, 1.234_567_8_f32);
+}

tests/ui/inconsistent_digit_grouping.rs

@@ -1,5 +1,6 @@
+// run-rustfix
 #[warn(clippy::inconsistent_digit_grouping)]
-#[allow(unused_variables)]
+#[allow(unused_variables, clippy::excessive_precision)]
 fn main() {
     let good = (
         123,

tests/ui/inconsistent_digit_grouping.stderr

@@ -1,31 +1,31 @@
 error: digits grouped inconsistently by underscores
-  --> $DIR/inconsistent_digit_grouping.rs:13:16
+  --> $DIR/inconsistent_digit_grouping.rs:14:16
    |
 LL |     let bad = (1_23_456, 1_234_5678, 1234_567, 1_234.5678_f32, 1.234_5678_f32);
    |                ^^^^^^^^ help: consider: `123_456`
    |
    = note: `-D clippy::inconsistent-digit-grouping` implied by `-D warnings`
 
 error: digits grouped inconsistently by underscores
-  --> $DIR/inconsistent_digit_grouping.rs:13:26
+  --> $DIR/inconsistent_digit_grouping.rs:14:26
    |
 LL |     let bad = (1_23_456, 1_234_5678, 1234_567, 1_234.5678_f32, 1.234_5678_f32);
    |                          ^^^^^^^^^^ help: consider: `12_345_678`
 
 error: digits grouped inconsistently by underscores
-  --> $DIR/inconsistent_digit_grouping.rs:13:38
+  --> $DIR/inconsistent_digit_grouping.rs:14:38
    |
 LL |     let bad = (1_23_456, 1_234_5678, 1234_567, 1_234.5678_f32, 1.234_5678_f32);
    |                                      ^^^^^^^^ help: consider: `1_234_567`
 
 error: digits grouped inconsistently by underscores
-  --> $DIR/inconsistent_digit_grouping.rs:13:48
+  --> $DIR/inconsistent_digit_grouping.rs:14:48
    |
 LL |     let bad = (1_23_456, 1_234_5678, 1234_567, 1_234.5678_f32, 1.234_5678_f32);
    |                                                ^^^^^^^^^^^^^^ help: consider: `1_234.567_8_f32`
 
 error: digits grouped inconsistently by underscores
-  --> $DIR/inconsistent_digit_grouping.rs:13:64
+  --> $DIR/inconsistent_digit_grouping.rs:14:64
    |
 LL |     let bad = (1_23_456, 1_234_5678, 1234_567, 1_234.5678_f32, 1.234_5678_f32);
    |                                                                ^^^^^^^^^^^^^^ help: consider: `1.234_567_8_f32`