primeiro commit com exercicios de Exercism realizados até esta data

c/hello-world/test_hello_world.c

@@ -0,0 +1,35 @@
+// Include the test framework.
+#include "test-framework/unity.h"
+
+// Include the header file with the declarations of the functions you create.
+#include "hello_world.h"
+
+// Runs before every test.
+void setUp(void)
+{
+}
+
+// Runs after every test.
+void tearDown(void)
+{
+}
+
+// Defines a single test.
+static void test_say_hi(void)
+{
+   // Check if the 'hello()' function returns "Hello, World!"
+   // This test is expected to fail after first downloading this exercise.
+   // To make this test pass, fix the 'hello()' function definition in the
+   // source file hello_world.c.
+   TEST_ASSERT_EQUAL_STRING("Hello, World!", hello());
+}
+
+// Runs the test(s)
+int main(void)
+{
+   UNITY_BEGIN();
+
+   RUN_TEST(test_say_hi);
+
+   return UNITY_END();
+}