diff --git a/Cargo.lock b/Cargo.lock
index 92ef2d0..9a0539d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -170,6 +170,7 @@ dependencies = [
  "error-stack",
  "glob-match",
  "ignore",
+ "indoc",
  "itertools",
  "path-clean",
  "predicates",
@@ -387,6 +388,12 @@ dependencies = [
  "hashbrown 0.15.1",
 ]
 
+[[package]]
+name = "indoc"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
+
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.1"
diff --git a/Cargo.toml b/Cargo.toml
index 1f57b29..3260220 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,3 +28,4 @@ assert_cmd = "2.0.16"
 rusty-hook = "^0.11.2"
 predicates = "3.1.2"
 pretty_assertions = "1.4.1" # Shows a more readable diff when comparing objects
+indoc = "2.0.5"
diff --git a/src/common_test.rs b/src/common_test.rs
index fa45906..ade1cc6 100644
--- a/src/common_test.rs
+++ b/src/common_test.rs
@@ -6,6 +6,8 @@ pub mod tests {
         path::PathBuf,
     };
 
+    use indoc::indoc;
+
     use tempfile::tempdir;
 
     use crate::{ownership::Ownership, project::Project};
@@ -21,18 +23,18 @@ pub mod tests {
         }};
     }
 
-    const DEFAULT_CODE_OWNERSHIP_YML: &str = "
----
-owned_globs:
-  - \"{app,components,config,frontend,lib,packs,spec}/**/*.{rb,rake,js,jsx,ts,tsx,json,yml}\"
-unowned_globs:
-  - config/code_ownership.yml
-javascript_package_paths:
-  - javascript/packages/**
-vendored_gems_path: gems
-team_file_glob:
-  - config/teams/**/*.yml
-        ";
+    const DEFAULT_CODE_OWNERSHIP_YML: &str = indoc! {"
+        ---
+        owned_globs:
+          - \"{app,components,config,frontend,lib,packs,spec}/**/*.{rb,rake,js,jsx,ts,tsx,json,yml}\"
+        unowned_globs:
+          - config/code_ownership.yml
+        javascript_package_paths:
+          - javascript/packages/**
+        vendored_gems_path: gems
+        team_file_glob:
+          - config/teams/**/*.yml
+    "};
 
     #[derive(Debug)]
     pub struct TestConfig {
diff --git a/src/ownership.rs b/src/ownership.rs
index c4d093a..b821d70 100644
--- a/src/ownership.rs
+++ b/src/ownership.rs
@@ -206,6 +206,7 @@ fn parse_for_team(team_name: String, codeowners_file: &str) -> Result<Vec<TeamOw
 mod tests {
     use super::*;
     use crate::common_test::tests::{build_ownership_with_all_mappers, vecs_match};
+    use indoc::indoc;
 
     #[test]
     fn test_for_file_owner() -> Result<(), Box<dyn Error>> {
@@ -243,17 +244,17 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_trims_header() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# STOP! - DO NOT EDIT THIS FILE MANUALLY
-# This file was automatically generated by "bin/codeownership validate".
-#
-# CODEOWNERS is used for GitHub to suggest code/file owners to various GitHub
-# teams. This is useful when developers create Pull Requests since the
-# code/file owner is notified. Reference GitHub docs for more details:
-# https://help.github.com/en/articles/about-code-owners
+        let codeownership_file = indoc! {"
+            # STOP! - DO NOT EDIT THIS FILE MANUALLY
+            # This file was automatically generated by \"bin/codeownership validate\".
+            #
+            # CODEOWNERS is used for GitHub to suggest code/file owners to various GitHub
+            # teams. This is useful when developers create Pull Requests since the
+            # code/file owner is notified. Reference GitHub docs for more details:
+            # https://help.github.com/en/articles/about-code-owners
 
 
-"#;
+        "};
 
         let team_ownership = parse_for_team("@Bar".to_string(), codeownership_file)?;
         assert!(team_ownership.is_empty());
@@ -262,14 +263,14 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_includes_owned_globs() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-/path/to/owned @Foo
-/path/to/not/owned @Bar
+        let codeownership_file = indoc! {"
+            # First Section
+            /path/to/owned @Foo
+            /path/to/not/owned @Bar
 
-# Last Section
-/another/owned/path @Foo
-"#;
+            # Last Section
+            /another/owned/path @Foo
+        "};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file)?;
         vecs_match(
@@ -290,11 +291,11 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_with_partial_team_match() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-/path/to/owned @Foo
-/path/to/not/owned @FooBar
-"#;
+        let codeownership_file = indoc! {"
+            # First Section
+            /path/to/owned @Foo
+            /path/to/not/owned @FooBar
+        "};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file)?;
         vecs_match(
@@ -309,16 +310,16 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_with_trailing_newlines() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-/path/to/owned @Foo
+        let codeownership_file = indoc! {"
+            # First Section
+            /path/to/owned @Foo
 
-# Last Section
-/another/owned/path @Foo
+            # Last Section
+            /another/owned/path @Foo
 
 
 
-"#;
+        "};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file)?;
         vecs_match(
@@ -339,9 +340,9 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_without_trailing_newline() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-/path/to/owned @Foo"#;
+        let codeownership_file = indoc! {"
+            # First Section
+            /path/to/owned @Foo"};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file)?;
         vecs_match(
@@ -356,12 +357,12 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_with_missing_section_header() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-/path/to/owned @Foo
+        let codeownership_file = indoc! {"
+            # First Section
+            /path/to/owned @Foo
 
-/another/owned/path @Foo
-"#;
+            /another/owned/path @Foo
+        "};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file);
         assert!(team_ownership
@@ -371,10 +372,10 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_with_malformed_team_line() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-@Foo
-"#;
+        let codeownership_file = indoc! {"
+            # First Section
+            @Foo
+        "};
 
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file);
         assert!(team_ownership
@@ -384,11 +385,11 @@ mod tests {
 
     #[test]
     fn test_parse_for_team_with_invalid_file() -> Result<(), Box<dyn Error>> {
-        let codeownership_file = r#"
-# First Section
-# Second Section
-path/to/owned @Foo
-"#;
+        let codeownership_file = indoc! {"
+            # First Section
+            # Second Section
+            path/to/owned @Foo
+        "};
         let team_ownership = parse_for_team("@Foo".to_string(), codeownership_file)?;
         vecs_match(
             &team_ownership,
diff --git a/tests/invalid_project_test.rs b/tests/invalid_project_test.rs
index 925ba7d..105eef6 100644
--- a/tests/invalid_project_test.rs
+++ b/tests/invalid_project_test.rs
@@ -1,4 +1,5 @@
 use assert_cmd::prelude::*;
+use indoc::indoc;
 use predicates::prelude::*;
 use std::{error::Error, process::Command};
 
@@ -10,31 +11,24 @@ fn test_validate() -> Result<(), Box<dyn Error>> {
         .arg("validate")
         .assert()
         .failure()
-        .stdout(predicate::str::contains(
-            "CODEOWNERS out of date. Run `codeowners generate` to update the CODEOWNERS file",
-        ))
-        .stdout(predicate::str::contains(
-            "Some files are missing ownership\n- ruby/app/models/blockchain.rb\n- ruby/app/unowned.rb",
-        ))
-        .stdout(predicate::str::contains(
-            "Found invalid team annotations\n- ruby/app/models/blockchain.rb is referencing an invalid team - 'Web3'",
-        ))
-        .stdout(predicate::str::contains(
-            "Code ownership should only be defined for each file in one way. The following files have declared ownership in multiple ways",
-        ))
-        .stdout(predicate::str::contains(
-            "gems/payroll_calculator/calculator.rb (owner: Payments, source: Owner annotation at the top of the file)",
-        ))
-        .stdout(predicate::str::contains(
-            "gems/payroll_calculator/calculator.rb (owner: Payroll, source: Owner specified in Team YML's `owned_gems`)",
-        ))
-        .stdout(predicate::str::contains(
-            "ruby/app/services/multi_owned.rb (owner: Payments, source: Owner annotation at the top of the file)",
-        ))
-        .stdout(predicate::str::contains(
-            "ruby/app/services/multi_owned.rb (owner: Payroll, source: Owner specified in `ruby/app/services/.codeowner`",
-        ));
+        .stdout(predicate::eq(indoc! {"
 
+            CODEOWNERS out of date. Run `codeowners generate` to update the CODEOWNERS file
+
+            Code ownership should only be defined for each file in one way. The following files have declared ownership in multiple ways
+            - gems/payroll_calculator/calculator.rb (owner: Payments, source: Owner annotation at the top of the file)
+            - gems/payroll_calculator/calculator.rb (owner: Payroll, source: Owner specified in Team YML's `owned_gems`)
+            - ruby/app/services/multi_owned.rb (owner: Payments, source: Owner annotation at the top of the file)
+            - ruby/app/services/multi_owned.rb (owner: Payroll, source: Owner specified in `ruby/app/services/.codeowner`)
+
+            Found invalid team annotations
+            - ruby/app/models/blockchain.rb is referencing an invalid team - 'Web3'
+
+            Some files are missing ownership
+            - ruby/app/models/blockchain.rb
+            - ruby/app/unowned.rb
+
+        "}));
     Ok(())
 }
 
@@ -47,9 +41,10 @@ fn test_for_file() -> Result<(), Box<dyn Error>> {
         .arg("ruby/app/models/blockchain.rb")
         .assert()
         .success()
-        .stdout(predicate::str::contains("Team: Unowned"))
-        .stdout(predicate::str::contains("Team YML: Unowned"));
-
+        .stdout(predicate::eq(indoc! {"
+            Team: Unowned
+            Team YML: Unowned
+            Description: \n"})); // trailing whitespace
     Ok(())
 }
 
@@ -62,15 +57,17 @@ fn test_for_file_multiple_owners() -> Result<(), Box<dyn Error>> {
         .arg("ruby/app/services/multi_owned.rb")
         .assert()
         .success()
-        .stdout(predicate::str::contains("Error: file is owned by multiple teams!"))
-        .stdout(predicate::str::contains("Team: Payments"))
-        .stdout(predicate::str::contains("Team YML: config/teams/payments.yml"))
-        .stdout(predicate::str::contains("Description: Owner annotation at the top of the file"))
-        .stdout(predicate::str::contains("Team: Payroll"))
-        .stdout(predicate::str::contains("Team YML: config/teams/payroll.yml"))
-        .stdout(predicate::str::contains(
-            "Description: Owner specified in `ruby/app/services/.codeowner`",
-        ));
-
+        .stdout(predicate::str::starts_with("Error: file is owned by multiple teams!"))
+        // order not static
+        .stdout(predicate::str::contains(indoc! {"
+            Team: Payroll
+            Team YML: config/teams/payroll.yml
+            Description: Owner specified in `ruby/app/services/.codeowner`
+        "}))
+        .stdout(predicate::str::contains(indoc! {"
+            Team: Payments
+            Team YML: config/teams/payments.yml
+            Description: Owner annotation at the top of the file
+        "}));
     Ok(())
 }
diff --git a/tests/valid_project_test.rs b/tests/valid_project_test.rs
index 61838e2..09c3b2e 100644
--- a/tests/valid_project_test.rs
+++ b/tests/valid_project_test.rs
@@ -1,4 +1,5 @@
 use assert_cmd::prelude::*;
+use indoc::indoc;
 use predicates::prelude::predicate;
 use std::{error::Error, path::Path, process::Command};
 
@@ -42,41 +43,16 @@ fn test_for_file() -> Result<(), Box<dyn Error>> {
         .arg("ruby/app/models/payroll.rb")
         .assert()
         .success()
-        .stdout(predicate::str::contains("Team: Payroll"))
-        .stdout(predicate::str::contains("Team YML: config/teams/payroll.yml"));
-
+        .stdout(predicate::eq(indoc! {"
+            Team: Payroll
+            Team YML: config/teams/payroll.yml
+            Description: Owner annotation at the top of the file
+        "}));
     Ok(())
 }
 
 #[test]
 fn test_for_team() -> Result<(), Box<dyn Error>> {
-    let expected_stdout = r#"
-# Code Ownership Report for `Payroll` Team
-
-## Annotations at the top of file
-/javascript/packages/PayrollFlow/index.tsx
-/ruby/app/models/payroll.rb
-
-## Team-specific owned globs
-This team owns nothing in this category.
-
-## Owner in .codeowner
-/ruby/app/payroll/**/**
-
-## Owner metadata key in package.yml
-/ruby/packages/payroll_flow/**/**
-
-## Owner metadata key in package.json
-/javascript/packages/PayrollFlow/**/**
-
-## Team YML ownership
-/config/teams/payroll.yml
-
-## Team owned gems
-/gems/payroll_calculator/**/**
-"#
-    .trim_start();
-
     Command::cargo_bin("codeowners")?
         .arg("--project-root")
         .arg("tests/fixtures/valid_project")
@@ -84,8 +60,31 @@ This team owns nothing in this category.
         .arg("Payroll")
         .assert()
         .success()
-        .stdout(predicate::eq(expected_stdout));
+        .stdout(predicate::eq(indoc! {"
+            # Code Ownership Report for `Payroll` Team
+
+            ## Annotations at the top of file
+            /javascript/packages/PayrollFlow/index.tsx
+            /ruby/app/models/payroll.rb
+
+            ## Team-specific owned globs
+            This team owns nothing in this category.
+
+            ## Owner in .codeowner
+            /ruby/app/payroll/**/**
+
+            ## Owner metadata key in package.yml
+            /ruby/packages/payroll_flow/**/**
+
+            ## Owner metadata key in package.json
+            /javascript/packages/PayrollFlow/**/**
+
+            ## Team YML ownership
+            /config/teams/payroll.yml
 
+            ## Team owned gems
+            /gems/payroll_calculator/**/**
+        "}));
     Ok(())
 }
 
@@ -98,7 +97,9 @@ fn test_for_missing_team() -> Result<(), Box<dyn Error>> {
         .arg("Nope")
         .assert()
         .success()
-        .stdout(predicate::str::contains("Team not found"));
+        .stdout(predicate::eq(indoc! {"
+            Team not found
+        "}));
 
     Ok(())
 }