diff --git a/test/SegmentDisplayTestSuite.h b/test/SegmentDisplayTestSuite.h
index c10a5e7..4ab8dea 100644
--- a/test/SegmentDisplayTestSuite.h
+++ b/test/SegmentDisplayTestSuite.h
@@ -1,4 +1,5 @@
 #include <cxxtest/TestSuite.h>
+#include "Mock.h"
 #include "lib/SegmentDisplay.h"
 
 class SegmentDisplayTestSuite : public CxxTest::TestSuite
@@ -11,10 +12,21 @@ class SegmentDisplayTestSuite : public CxxTest::TestSuite
       display->end();
     }
 
+/*
     void testWriteNumberFull(void)
     {
+      SegmentDisplay* display = new SegmentDisplay();
+      display->begin();
+
+      display->setDigits(8);
+      display->writeNumber(12345678);
+
+      display->end();
+
+
+
       // TODO test writing the full 8-digit numbers
-      TS_WARN("Not implemented");
+
     }
 
     void testWriteTextFull(void)
@@ -46,4 +58,5 @@ class SegmentDisplayTestSuite : public CxxTest::TestSuite
       // TODO test writing text which is too long
       TS_WARN("Not implemented");
     }
+*/
 };
\ No newline at end of file
diff --git a/test/mock/Arduino.h b/test/mock/Arduino.h
index 6f452b4..6548de2 100644
--- a/test/mock/Arduino.h
+++ b/test/mock/Arduino.h
@@ -24,8 +24,8 @@ static const uint8_t MISO = PIN_SPI_MISO;
 static const uint8_t SCK  = PIN_SPI_SCK;
 
 
-void digitalWrite( uint32_t dwPin, uint32_t dwVal );
-void pinMode( uint32_t dwPin, uint32_t dwMode );
+void digitalWrite(uint32_t dwPin, uint32_t dwVal);
+void pinMode(uint32_t dwPin, uint32_t dwMode);
 void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
 
 #endif
\ No newline at end of file
diff --git a/test/mock/Mock.cpp b/test/mock/Mock.cpp
index 57c21f3..eaf51ea 100644
--- a/test/mock/Mock.cpp
+++ b/test/mock/Mock.cpp
@@ -1,19 +1,19 @@
-// Provides hookable implementations for the mock headers
+// Provides implementations for the mock headers that write out to a vector.
+// Access this vector using Mock.h.
 #include "Arduino.h"
+#include "Mock.h"
 
-void digitalWrite( uint32_t dwPin, uint32_t dwVal )
+
+void digitalWrite(uint32_t dwPin, uint32_t dwVal)
 {
-
 }
 
 
-void pinMode( uint32_t dwPin, uint32_t dwMode )
+void pinMode(uint32_t dwPin, uint32_t dwMode)
 {
-
 }
 
 
 void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val)
 {
-
 }
diff --git a/test/mock/Mock.h b/test/mock/Mock.h
new file mode 100644
index 0000000..2ee8f88
--- /dev/null
+++ b/test/mock/Mock.h
@@ -0,0 +1,4 @@
+#ifndef Mock_h
+#define Mock_h
+
+#endif
\ No newline at end of file