tools/tests: small end-to-end test suite for importing/pruning

As bigger changes lie ahead, we want a small end-to-end test suite
that ensures that our importing and tracing does not fall apart. With
this change, we add the infrastructure and two test-cases (fib, qsort)
including ELFs, traces, and injection results.

In order to run the basic-pruner test cases, one needs to setup a
MySQL table and set the CMake option ENABLE_DATABASE_TESTS.

tools/tests/qsort/state/ioapic

@@ -0,0 +1,103 @@
+ioapic = {
+  ioregsel = 0x00000000
+  intin = 0x00000001
+  irr = 0x00000001
+  ioredtbl = {
+    0x00 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x01 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x02 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x03 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x04 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x05 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x06 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x07 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x08 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x09 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0a = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0b = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0c = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0d = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0e = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x0f = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x10 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x11 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x12 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x13 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x14 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x15 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x16 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+    0x17 = {
+      lo = 0x00010000
+      hi = 0x00000000
+    }
+  }
+}