Merged tests to produce a single binary (#12826)

This PR should close #7147 

# Description
Merged src/tests into /tests to produce a single binary.

![image](https://github.com/nushell/nushell/assets/94604837/84726469-d447-4619-b6d1-2d1415d0f42e)

# User-Facing Changes
No user facing changes

# Tests + Formatting
Moved tests. Tollkit check pr pass.

# After Submitting

---------

Co-authored-by: Ian Manske <ian.manske@pm.me>

tests/repl/test_strings.rs

@@ -0,0 +1,159 @@
+use crate::repl::tests::{fail_test, run_test, TestResult};
+
+#[test]
+fn cjk_in_substrings() -> TestResult {
+    run_test(
+        r#"let s = '[Rust 程序设计语言](title-page.md)'; let start = ($s | str index-of '('); let end = ($s | str index-of ')'); $s | str substring ($start + 1)..($end)"#,
+        "title-page.md",
+    )
+}
+
+#[test]
+fn string_not_in_string() -> TestResult {
+    run_test(r#"'d' not-in 'abc'"#, "true")
+}
+
+#[test]
+fn string_in_string() -> TestResult {
+    run_test(r#"'z' in 'abc'"#, "false")
+}
+
+#[test]
+fn non_string_in_string() -> TestResult {
+    fail_test(r#"42 in 'abc'"#, "is not supported")
+}
+
+#[test]
+fn string_in_record() -> TestResult {
+    run_test(r#""a" in ('{ "a": 13, "b": 14 }' | from json)"#, "true")
+}
+
+#[test]
+fn non_string_in_record() -> TestResult {
+    fail_test(
+        r#"4 in ('{ "a": 13, "b": 14 }' | from json)"#,
+        "mismatch during operation",
+    )
+}
+
+#[test]
+fn string_in_valuestream() -> TestResult {
+    run_test(
+        r#"
+    'Hello' in ("Hello
+    World" | lines)"#,
+        "true",
+    )
+}
+
+#[test]
+fn single_tick_interpolation() -> TestResult {
+    run_test(r#"$'(3 + 4)'"#, "7")
+}
+
+#[test]
+fn detect_newlines() -> TestResult {
+    run_test("'hello\r\nworld' | lines | get 0 | str length", "5")
+}
+
+#[test]
+fn case_insensitive_sort() -> TestResult {
+    run_test(
+        r#"[a, B, d, C, f] | sort -i | to json --raw"#,
+        "[\"a\",\"B\",\"C\",\"d\",\"f\"]",
+    )
+}
+
+#[test]
+fn case_insensitive_sort_columns() -> TestResult {
+    run_test(
+        r#"[[version, package]; ["two", "Abc"], ["three", "abc"], ["four", "abc"]] | sort-by -i package version | to json --raw"#,
+        r#"[{"version":"four","package":"abc"},{"version":"three","package":"abc"},{"version":"two","package":"Abc"}]"#,
+    )
+}
+
+#[test]
+fn raw_string() -> TestResult {
+    run_test(r#"r#'abcde""fghi"''''jkl'#"#, r#"abcde""fghi"''''jkl"#)?;
+    run_test(r#"r##'abcde""fghi"''''#jkl'##"#, r#"abcde""fghi"''''#jkl"#)?;
+    run_test(
+        r#"r###'abcde""fghi"'''##'#jkl'###"#,
+        r#"abcde""fghi"'''##'#jkl"#,
+    )?;
+    run_test("r#''#", "")?;
+    run_test(
+        r#"r#'a string with sharp inside # and ends with #'#"#,
+        "a string with sharp inside # and ends with #",
+    )
+}
+
+#[test]
+fn raw_string_inside_parentheses() -> TestResult {
+    let (left, right) = ('(', ')');
+    run_test(
+        &format!(r#"{left}r#'abcde""fghi"''''jkl'#{right}"#),
+        r#"abcde""fghi"''''jkl"#,
+    )?;
+    run_test(
+        &format!(r#"{left}r##'abcde""fghi"''''#jkl'##{right}"#),
+        r#"abcde""fghi"''''#jkl"#,
+    )?;
+    run_test(
+        &format!(r#"{left}r###'abcde""fghi"'''##'#jkl'###{right}"#),
+        r#"abcde""fghi"'''##'#jkl"#,
+    )?;
+    run_test(&format!("{left}r#''#{right}"), "")?;
+    run_test(
+        &format!(r#"{left}r#'a string with sharp inside # and ends with #'#{right}"#),
+        "a string with sharp inside # and ends with #",
+    )
+}
+
+#[test]
+fn raw_string_inside_list() -> TestResult {
+    let (left, right) = ('[', ']');
+    run_test(
+        &format!(r#"{left}r#'abcde""fghi"''''jkl'#{right} | get 0"#),
+        r#"abcde""fghi"''''jkl"#,
+    )?;
+    run_test(
+        &format!(r#"{left}r##'abcde""fghi"''''#jkl'##{right} | get 0"#),
+        r#"abcde""fghi"''''#jkl"#,
+    )?;
+    run_test(
+        &format!(r#"{left}r###'abcde""fghi"'''##'#jkl'###{right} | get 0"#),
+        r#"abcde""fghi"'''##'#jkl"#,
+    )?;
+    run_test(&format!("{left}r#''#{right} | get 0"), "")?;
+    run_test(
+        &format!(r#"{left}r#'a string with sharp inside # and ends with #'#{right} | get 0"#),
+        "a string with sharp inside # and ends with #",
+    )
+}
+
+#[test]
+fn raw_string_inside_closure() -> TestResult {
+    let (left, right) = ('{', '}');
+    run_test(
+        &format!(r#"do {left}r#'abcde""fghi"''''jkl'#{right}"#),
+        r#"abcde""fghi"''''jkl"#,
+    )?;
+    run_test(
+        &format!(r#"do {left}r##'abcde""fghi"''''#jkl'##{right}"#),
+        r#"abcde""fghi"''''#jkl"#,
+    )?;
+    run_test(
+        &format!(r#"do {left}r###'abcde""fghi"'''##'#jkl'###{right}"#),
+        r#"abcde""fghi"'''##'#jkl"#,
+    )?;
+    run_test(&format!("do {left}r#''#{right}"), "")?;
+    run_test(
+        &format!(r#"do {left}r#'a string with sharp inside # and ends with #'#{right}"#),
+        "a string with sharp inside # and ends with #",
+    )
+}
+
+#[test]
+fn incomplete_raw_string() -> TestResult {
+    fail_test("r#abc", "expected '")
+}