Auto merge of #14759 - epage:test-contains-n, r=ehuss

refactor(test): Remove dead 'expect_stdout_contains_n' check

### What does this PR try to resolve?

This was missed when removing the assert

This is part of #14039

### How should we test and review this PR?

### Additional information

Author: bors

crates/cargo-test-support/src/compare.rs

@@ -531,40 +531,6 @@ pub(crate) fn match_does_not_contain(
     }
 }
 
-/// Checks that the given string contains the given contiguous lines
-/// somewhere, and should be repeated `number` times.
-///
-/// See [Patterns](index.html#patterns) for more information on pattern matching.
-pub(crate) fn match_contains_n(
-    expected: &str,
-    number: usize,
-    actual: &str,
-    cwd: Option<&Path>,
-) -> Result<()> {
-    let expected = normalize_expected(expected, cwd);
-    let actual = normalize_actual(actual, cwd);
-    let e: Vec<_> = expected.lines().map(|line| WildStr::new(line)).collect();
-    let a: Vec<_> = actual.lines().map(|line| WildStr::new(line)).collect();
-    if e.len() == 0 {
-        bail!("expected length must not be zero");
-    }
-    let matches = a.windows(e.len()).filter(|window| *window == e).count();
-    if matches == number {
-        Ok(())
-    } else {
-        bail!(
-            "expected to find {} occurrences of:\n\
-             {}\n\n\
-             but found {} matches in the output:\n\
-             {}",
-            number,
-            expected,
-            matches,
-            actual
-        )
-    }
-}
-
 /// Checks that the given string has a line that contains the given patterns,
 /// and that line also does not contain the `without` patterns.
 ///

crates/cargo-test-support/src/lib.rs

@@ -649,7 +649,6 @@ pub struct Execs {
     expect_stderr_data: Option<snapbox::Data>,
     expect_stdout_contains: Vec<String>,
     expect_stderr_contains: Vec<String>,
-    expect_stdout_contains_n: Vec<(String, usize)>,
     expect_stdout_not_contains: Vec<String>,
     expect_stderr_not_contains: Vec<String>,
     expect_stdout_unordered: Vec<String>,
@@ -992,7 +991,6 @@ impl Execs {
             && self.expect_stderr_data.is_none()
             && self.expect_stdout_contains.is_empty()
             && self.expect_stderr_contains.is_empty()
-            && self.expect_stdout_contains_n.is_empty()
             && self.expect_stdout_not_contains.is_empty()
             && self.expect_stderr_not_contains.is_empty()
             && self.expect_stdout_unordered.is_empty()
@@ -1103,9 +1101,6 @@ impl Execs {
         for expect in self.expect_stderr_contains.iter() {
             compare::match_contains(expect, stderr, cwd)?;
         }
-        for &(ref expect, number) in self.expect_stdout_contains_n.iter() {
-            compare::match_contains_n(expect, number, stdout, cwd)?;
-        }
         for expect in self.expect_stdout_not_contains.iter() {
             compare::match_does_not_contain(expect, stdout, cwd)?;
         }
@@ -1144,7 +1139,6 @@ pub fn execs() -> Execs {
         expect_stderr_data: None,
         expect_stdout_contains: Vec::new(),
         expect_stderr_contains: Vec::new(),
-        expect_stdout_contains_n: Vec::new(),
         expect_stdout_not_contains: Vec::new(),
         expect_stderr_not_contains: Vec::new(),
         expect_stdout_unordered: Vec::new(),