diff --git a/src/config/mod.rs b/src/config/mod.rs
index 05de5000de8..bd12b05ca40 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -674,7 +674,7 @@ mod test {
 
     #[test]
     fn test_was_set() {
-        let config = Config::from_toml("hard_tabs = true", Path::new("")).unwrap();
+        let config = Config::from_toml("hard_tabs = true", Path::new(".")).unwrap();
 
         assert_eq!(config.was_set().hard_tabs(), true);
         assert_eq!(config.was_set().verbose(), false);
@@ -933,7 +933,7 @@ make_backup = false
     #[nightly_only_test]
     #[test]
     fn test_unstable_from_toml() {
-        let config = Config::from_toml("unstable_features = true", Path::new("")).unwrap();
+        let config = Config::from_toml("unstable_features = true", Path::new(".")).unwrap();
         assert_eq!(config.was_set().unstable_features(), true);
         assert_eq!(config.unstable_features(), true);
     }
@@ -963,7 +963,7 @@ make_backup = false
                 unstable_features = true
                 merge_imports = true
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.imports_granularity(), ImportGranularity::Crate);
         }
 
@@ -975,7 +975,7 @@ make_backup = false
                 merge_imports = true
                 imports_granularity = "Preserve"
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.imports_granularity(), ImportGranularity::Preserve);
         }
 
@@ -986,7 +986,7 @@ make_backup = false
                 unstable_features = true
                 merge_imports = true
             "#;
-            let mut config = Config::from_toml(toml, Path::new("")).unwrap();
+            let mut config = Config::from_toml(toml, Path::new(".")).unwrap();
             config.override_value("imports_granularity", "Preserve");
             assert_eq!(config.imports_granularity(), ImportGranularity::Preserve);
         }
@@ -998,7 +998,7 @@ make_backup = false
                 unstable_features = true
                 imports_granularity = "Module"
             "#;
-            let mut config = Config::from_toml(toml, Path::new("")).unwrap();
+            let mut config = Config::from_toml(toml, Path::new(".")).unwrap();
             config.override_value("merge_imports", "true");
             // no effect: the new option always takes precedence
             assert_eq!(config.imports_granularity(), ImportGranularity::Module);
@@ -1015,7 +1015,7 @@ make_backup = false
                 use_small_heuristics = "Default"
                 max_width = 200
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 120);
             assert_eq!(config.attr_fn_like_width(), 140);
             assert_eq!(config.chain_width(), 120);
@@ -1031,7 +1031,7 @@ make_backup = false
                 use_small_heuristics = "Max"
                 max_width = 120
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 120);
             assert_eq!(config.attr_fn_like_width(), 120);
             assert_eq!(config.chain_width(), 120);
@@ -1047,7 +1047,7 @@ make_backup = false
                 use_small_heuristics = "Off"
                 max_width = 100
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), usize::max_value());
             assert_eq!(config.attr_fn_like_width(), usize::max_value());
             assert_eq!(config.chain_width(), usize::max_value());
@@ -1069,7 +1069,7 @@ make_backup = false
                 struct_lit_width = 30
                 struct_variant_width = 34
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 20);
             assert_eq!(config.attr_fn_like_width(), 40);
             assert_eq!(config.chain_width(), 20);
@@ -1091,7 +1091,7 @@ make_backup = false
                 struct_lit_width = 30
                 struct_variant_width = 34
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 20);
             assert_eq!(config.attr_fn_like_width(), 40);
             assert_eq!(config.chain_width(), 20);
@@ -1113,7 +1113,7 @@ make_backup = false
                 struct_lit_width = 30
                 struct_variant_width = 34
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 20);
             assert_eq!(config.attr_fn_like_width(), 40);
             assert_eq!(config.chain_width(), 20);
@@ -1129,7 +1129,7 @@ make_backup = false
                 max_width = 90
                 fn_call_width = 95
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.fn_call_width(), 90);
         }
 
@@ -1139,7 +1139,7 @@ make_backup = false
                 max_width = 80
                 attr_fn_like_width = 90
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.attr_fn_like_width(), 80);
         }
 
@@ -1149,7 +1149,7 @@ make_backup = false
                 max_width = 78
                 struct_lit_width = 90
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.struct_lit_width(), 78);
         }
 
@@ -1159,7 +1159,7 @@ make_backup = false
                 max_width = 80
                 struct_variant_width = 90
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.struct_variant_width(), 80);
         }
 
@@ -1169,7 +1169,7 @@ make_backup = false
                 max_width = 60
                 array_width = 80
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.array_width(), 60);
         }
 
@@ -1179,7 +1179,7 @@ make_backup = false
                 max_width = 80
                 chain_width = 90
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.chain_width(), 80);
         }
 
@@ -1189,7 +1189,7 @@ make_backup = false
                 max_width = 70
                 single_line_if_else_max_width = 90
             "#;
-            let config = Config::from_toml(toml, Path::new("")).unwrap();
+            let config = Config::from_toml(toml, Path::new(".")).unwrap();
             assert_eq!(config.single_line_if_else_max_width(), 70);
         }
 
diff --git a/src/ignore_path.rs b/src/ignore_path.rs
index 5c25f233ce3..a756a172cb5 100644
--- a/src/ignore_path.rs
+++ b/src/ignore_path.rs
@@ -42,7 +42,7 @@ mod test {
         use std::path::{Path, PathBuf};
 
         let config =
-            Config::from_toml(r#"ignore = ["foo.rs", "bar_dir/*"]"#, Path::new("")).unwrap();
+            Config::from_toml(r#"ignore = ["foo.rs", "bar_dir/*"]"#, Path::new(".")).unwrap();
         let ignore_path_set = IgnorePathSet::from_ignore_list(&config.ignore()).unwrap();
 
         assert!(ignore_path_set.is_match(&FileName::Real(PathBuf::from("src/foo.rs"))));
@@ -59,7 +59,7 @@ mod test {
 
         let config = Config::from_toml(
             r#"ignore = ["foo.rs", "bar_dir/*", "!bar_dir/*/what.rs"]"#,
-            Path::new(""),
+            Path::new("."),
         )
         .unwrap();
         let ignore_path_set = IgnorePathSet::from_ignore_list(&config.ignore()).unwrap();
diff --git a/src/parse/session.rs b/src/parse/session.rs
index 4160e02b8f8..a4bd7fce513 100644
--- a/src/parse/session.rs
+++ b/src/parse/session.rs
@@ -395,7 +395,7 @@ mod tests {
         }
 
         fn get_ignore_list(config: &str) -> IgnoreList {
-            Config::from_toml(config, Path::new("")).unwrap().ignore()
+            Config::from_toml(config, Path::new(".")).unwrap().ignore()
         }
 
         #[test]