tests: update test helpers and users

Move test-mu-common to mu-test-utils. Use mu_test_init as a wrapper for
g_test_init. Update users.

lib/utils/mu-utils.hh

@@ -454,74 +454,6 @@ private:
 	constexpr ET& operator|=(ET& e1, ET e2) { return e1 = e1 | e2; }                        \
 	static_assert(1==1) // require a semicolon
 
-/**
- * For unit tests, assert two std::string's are equal.
- *
- * @param s1 string1
- * @param s2 string2
- */
-#define assert_equal(s1__,s2__) do {					\
-		std::string s1s__(s1__), s2s__(s2__);			\
-		g_assert_cmpstr(s1s__.c_str(), ==, s2s__.c_str());	\
-	} while(0)
-
-
-#define assert_equal_seq(seq1__, seq2__) do {				\
-		g_assert_cmpuint(seq1__.size(), ==, seq2__.size());	\
-		size_t n__{};						\
-		for (auto&& item__: seq1__) {				\
-			g_assert_true(item__ == seq2__.at(n__));	\
-			++n__;						\
-		}							\
-		} while(0)
-
-#define assert_equal_seq_str(seq1__, seq2__) do {			\
-		g_assert_cmpuint(seq1__.size(), ==, seq2__.size());	\
-		size_t n__{};						\
-		for (auto&& item__: seq1__) {				\
-			assert_equal(item__, seq2__.at(n__));		\
-			++n__;						\
-		}							\
-		} while(0)
-
-/**
- * For unit-tests, allow warnings in the current function.
- *
- */
-void allow_warnings();
-
-
-/**
- * For unit-tests, a RAII tempdir.
- *
- */
-struct TempDir {
-	/**
-	 * Construct a temporary directory
-	 */
-	TempDir(bool autodelete=true);
-
-	/**
-	 * DTOR; removes the temporary directory
-	 *
-	 *
-	 * @return
-	 */
-	~TempDir();
-
-	/**
-	 * Path to the temporary directory
-	 *
-	 * @return the path.
-	 *
-	 *
-	 */
-	const std::string& path() {return path_; }
-private:
-	std::string path_;
-	const bool autodelete_;
-};
-
 } // namespace Mu
 
 #endif /* __MU_UTILS_HH__ */