Move Stylo unit tests out of tests/unit

This will allow writing `tests/unit/*` in the root `Cargo.toml` file to designate Servo unit tests.
servo · bors-servo · Dec 7, 2017 · Dec 4, 2017 · Nov 30, 2017 · Nov 30, 2017
commit 05a364c7b8d5787fdd25f42a874c949ebaca1e56
diff --git a/ports/geckolib/Cargo.toml b/ports/geckolib/Cargo.toml
@@ -33,4 +33,4 @@ style = {path = "../../components/style", features = ["gecko"]}
 style_traits = {path = "../../components/style_traits"}
 
 [dev-dependencies]
-stylo_tests = {path = "../../tests/unit/stylo"}
+stylo_tests = {path = "./tests"}
diff --git a/tests/unit/stylo/Cargo.toml → ports/geckolib/tests/Cargo.toml b/tests/unit/stylo/Cargo.toml → ports/geckolib/tests/Cargo.toml
diff --git a/tests/unit/stylo/build.rs → ports/geckolib/tests/build.rs b/tests/unit/stylo/build.rs → ports/geckolib/tests/build.rs
diff --git a/tests/unit/stylo/lib.rs → ports/geckolib/tests/lib.rs b/tests/unit/stylo/lib.rs → ports/geckolib/tests/lib.rs
diff --git a/...s/unit/stylo/servo_function_signatures.rs → ...ckolib/tests/servo_function_signatures.rs b/...s/unit/stylo/servo_function_signatures.rs → ...ckolib/tests/servo_function_signatures.rs
diff --git a/tests/unit/stylo/size_of.rs → ports/geckolib/tests/size_of.rs b/tests/unit/stylo/size_of.rs → ports/geckolib/tests/size_of.rs
diff --git a/tests/unit/stylo/specified_values.rs → ports/geckolib/tests/specified_values.rs b/tests/unit/stylo/specified_values.rs → ports/geckolib/tests/specified_values.rs
diff --git a/tests/unit/style/lib.rs b/tests/unit/style/lib.rs
@@ -32,7 +32,7 @@ mod parsing;
 mod properties;
 mod rule_tree;
 mod size_of;
-#[path = "../stylo/specified_values.rs"]
+#[path = "../../../ports/geckolib/tests/specified_values.rs"]
 mod specified_values;
 mod str;
 mod stylesheets;