move tests to tests/unit

CMakeLists.txt

@@ -22,8 +22,8 @@ find_package(GTest REQUIRED)
 enable_testing()
 
 add_executable(wavefront_tests
-	tests/trim_test.cpp
+	tests/unit/trim_test.cpp
-	tests/settings_test.cpp
+	tests/unit/settings_test.cpp
 	${APP_SOURCES}
 )
 target_link_libraries(wavefront_tests PRIVATE

tests/unit/settings_test.cpp

@@ -184,4 +184,3 @@ namespace {
         EXPECT_EQ(output_contents, token);
     }
 }
-