Fix cargo ui tests when running inside rust repo

clippy_dev/src/new_lint.rs

@@ -147,6 +147,8 @@ fn get_manifest_contents(lint_name: &str, hint: &str) -> String {
 name = "{}"
 version = "0.1.0"
 publish = false
+
+[workspace]
 "#,
         hint, lint_name
     )

tests/compile-test.rs

@@ -220,10 +220,6 @@ fn run_ui_cargo(config: &mut compiletest::Config) {
         Ok(result)
     }
 
-    if cargo::is_rustc_test_suite() {
-        return;
-    }
-
     config.mode = TestMode::Ui;
     config.src_base = Path::new("tests").join("ui-cargo").canonicalize().unwrap();
 

tests/ui-cargo/cargo_common_metadata/fail/Cargo.toml

@@ -2,3 +2,5 @@
 name = "cargo_common_metadata"
 version = "0.1.0"
 publish = false
+
+[workspace]

tests/ui-cargo/cargo_common_metadata/pass/Cargo.toml

@@ -9,3 +9,5 @@ readme = "README.md"
 license = "MIT OR Apache-2.0"
 keywords = ["metadata", "lint", "clippy"]
 categories = ["development-tools::testing"]
+
+[workspace]

tests/ui-cargo/multiple_crate_versions/5041_allow_dev_build/Cargo.toml

@@ -5,6 +5,8 @@ name = "multiple_crate_versions"
 version = "0.1.0"
 publish = false
 
+[workspace]
+
 # One of the versions of winapi is only a dev dependency: allowed
 [dependencies]
 ctrlc = "=3.1.0"

tests/ui-cargo/multiple_crate_versions/fail/Cargo.toml

@@ -3,6 +3,8 @@ name = "multiple_crate_versions"
 version = "0.1.0"
 publish = false
 
+[workspace]
+
 [dependencies]
 ctrlc = "=3.1.0"
 ansi_term = "=0.11.0"

tests/ui-cargo/multiple_crate_versions/pass/Cargo.toml

@@ -3,6 +3,8 @@ name = "cargo_common_metadata"
 version = "0.1.0"
 publish = false
 
+[workspace]
+
 [dependencies]
 regex = "1.3.7"
 serde = "1.0.110"

tests/ui-cargo/wildcard_dependencies/fail/Cargo.toml

@@ -3,5 +3,7 @@ name = "wildcard_dependencies"
 version = "0.1.0"
 publish = false
 
+[workspace]
+
 [dependencies]
 regex = "*"

tests/ui-cargo/wildcard_dependencies/pass/Cargo.toml

@@ -3,5 +3,7 @@ name = "wildcard_dependencies"
 version = "0.1.0"
 publish = false
 
+[workspace]
+
 [dependencies]
 regex = "1"